1649904256

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:287

約数の個数: 256

約数和(自身を含む): 4496486400

約数和(自身を除く): 2846582144

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 64, 77, 79, 88, 91, 104, 112, 128, 143, 154, 158, 163, 176, 182, 208, 224, 286, 308, 316, 326, 352, 364, 416, 448, 553, 572, 616, 632, 652, 704, 728, 832, 869, 896, 1001, 1027, 1106, 1141, 1144, 1232, 1264, 1304, 1408, 1456, 1664, 1738, 1793, 2002, 2054, 2119, 2212, 2282, 2288, 2464, 2528, 2608, 2912, 3476, 3586, 4004, 4108, 4238, 4424, 4564, 4576, 4928, 5056, 5216, 5824, 6083, 6952, 7172, 7189, 8008, 8216, 8476, 8848, 9128, 9152, 9856, 10112, 10432, 11297, 11648, 12166, 12551, 12877, 13904, 14344, 14378, 14833, 16016, 16432, 16952, 17696, 18256, 18304, 20864, 22594, 23309, 24332, 25102, 25754, 27808, 28688, 28756, 29666, 32032, 32864, 33904, 35392, 36512, 45188, 46618, 48664, 50204, 51508, 55616, 57376, 57512, 59332, 64064, 65728, 67808, 70784, 73024, 79079, 90139, 90376, 93236, 97328, 100408, 103016, 111232, 114752, 115024, 118664, 128128, 131456, 135616, 141647, 146048, 158158, 163163, 167401, 180278, 180752, 186472, 194656, 200816, 206032, 229504, 230048, 237328, 271232, 283294, 316316, 326326, 334802, 360556, 361504, 372944, 389312, 401632, 412064, 460096, 474656, 566588, 632632, 652652, 669604, 721112, 723008, 745888, 778624, 803264, 824128, 920192, 949312, 991529, 1133176, 1171807, 1265264, 1305304, 1339208, 1442224, 1446016, 1491776, 1606528, 1648256, 1841411, 1898624, 1983058, 2266352, 2343614, 2530528, 2610608, 2678416, 2884448, 2983552, 3682822, 3966116, 4532704, 4687228, 5061056, 5221216, 5356832, 5768896, 7365644, 7932232, 9065408, 9374456, 10122112, 10442432, 10713664, 11537792, 12889877, 14731288, 15864464, 18130816, 18748912, 20884864, 21427328, 25779754, 29462576, 31728928, 37497824, 51559508, 58925152, 63457856, 74995648, 103119016, 117850304, 126915712, 149991296, 206238032, 235700608, 412476064, 824952128, 1649904256]

約数ペア:

[(1, 1649904256), (2, 824952128), (4, 412476064), (7, 235700608), (8, 206238032), (11, 149991296), (13, 126915712), (14, 117850304), (16, 103119016), (22, 74995648), (26, 63457856), (28, 58925152), (32, 51559508), (44, 37497824), (52, 31728928), (56, 29462576), (64, 25779754), (77, 21427328), (79, 20884864), (88, 18748912), (91, 18130816), (104, 15864464), (112, 14731288), (128, 12889877), (143, 11537792), (154, 10713664), (158, 10442432), (163, 10122112), (176, 9374456), (182, 9065408), (208, 7932232), (224, 7365644), (286, 5768896), (308, 5356832), (316, 5221216), (326, 5061056), (352, 4687228), (364, 4532704), (416, 3966116), (448, 3682822), (553, 2983552), (572, 2884448), (616, 2678416), (632, 2610608), (652, 2530528), (704, 2343614), (728, 2266352), (832, 1983058), (869, 1898624), (896, 1841411), (1001, 1648256), (1027, 1606528), (1106, 1491776), (1141, 1446016), (1144, 1442224), (1232, 1339208), (1264, 1305304), (1304, 1265264), (1408, 1171807), (1456, 1133176), (1664, 991529), (1738, 949312), (1793, 920192), (2002, 824128), (2054, 803264), (2119, 778624), (2212, 745888), (2282, 723008), (2288, 721112), (2464, 669604), (2528, 652652), (2608, 632632), (2912, 566588), (3476, 474656), (3586, 460096), (4004, 412064), (4108, 401632), (4238, 389312), (4424, 372944), (4564, 361504), (4576, 360556), (4928, 334802), (5056, 326326), (5216, 316316), (5824, 283294), (6083, 271232), (6952, 237328), (7172, 230048), (7189, 229504), (8008, 206032), (8216, 200816), (8476, 194656), (8848, 186472), (9128, 180752), (9152, 180278), (9856, 167401), (10112, 163163), (10432, 158158), (11297, 146048), (11648, 141647), (12166, 135616), (12551, 131456), (12877, 128128), (13904, 118664), (14344, 115024), (14378, 114752), (14833, 111232), (16016, 103016), (16432, 100408), (16952, 97328), (17696, 93236), (18256, 90376), (18304, 90139), (20864, 79079), (22594, 73024), (23309, 70784), (24332, 67808), (25102, 65728), (25754, 64064), (27808, 59332), (28688, 57512), (28756, 57376), (29666, 55616), (32032, 51508), (32864, 50204), (33904, 48664), (35392, 46618), (36512, 45188)]