646819264

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 224

約数和(自身を含む): 1720535040

約数和(自身を除く): 1073715776

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 47, 52, 56, 64, 68, 91, 94, 104, 112, 119, 136, 139, 182, 188, 208, 221, 224, 238, 272, 278, 329, 364, 376, 416, 442, 448, 476, 544, 556, 611, 658, 728, 752, 799, 832, 884, 952, 973, 1088, 1112, 1222, 1316, 1456, 1504, 1547, 1598, 1768, 1807, 1904, 1946, 2224, 2363, 2444, 2632, 2912, 3008, 3094, 3196, 3536, 3614, 3808, 3892, 4277, 4448, 4726, 4888, 5264, 5593, 5824, 6188, 6392, 6533, 7072, 7228, 7616, 7784, 8554, 8896, 9452, 9776, 10387, 10528, 11186, 12376, 12649, 12784, 13066, 14144, 14456, 15568, 16541, 17108, 18904, 19552, 20774, 21056, 22372, 24752, 25298, 25568, 26132, 28912, 30719, 31136, 33082, 34216, 37808, 39104, 41548, 44744, 45731, 49504, 50596, 51136, 52264, 57824, 61438, 62272, 66164, 68432, 72709, 75616, 83096, 84929, 89488, 91462, 99008, 101192, 104528, 111061, 115648, 122876, 132328, 136864, 145418, 151232, 166192, 169858, 178976, 182924, 202384, 209056, 215033, 222122, 245752, 264656, 273728, 290836, 332384, 339716, 357952, 365848, 404768, 418112, 430066, 444244, 491504, 529312, 581672, 594503, 664768, 679432, 731696, 777427, 809536, 860132, 888488, 983008, 1058624, 1163344, 1189006, 1358864, 1443793, 1463392, 1554854, 1720264, 1776976, 1966016, 2326688, 2378012, 2717728, 2887586, 2926784, 3109708, 3440528, 3553952, 4653376, 4756024, 5435456, 5775172, 6219416, 6881056, 7107904, 9512048, 10106551, 11550344, 12438832, 13762112, 19024096, 20213102, 23100688, 24877664, 38048192, 40426204, 46201376, 49755328, 80852408, 92402752, 161704816, 323409632, 646819264]

約数ペア:

[(1, 646819264), (2, 323409632), (4, 161704816), (7, 92402752), (8, 80852408), (13, 49755328), (14, 46201376), (16, 40426204), (17, 38048192), (26, 24877664), (28, 23100688), (32, 20213102), (34, 19024096), (47, 13762112), (52, 12438832), (56, 11550344), (64, 10106551), (68, 9512048), (91, 7107904), (94, 6881056), (104, 6219416), (112, 5775172), (119, 5435456), (136, 4756024), (139, 4653376), (182, 3553952), (188, 3440528), (208, 3109708), (221, 2926784), (224, 2887586), (238, 2717728), (272, 2378012), (278, 2326688), (329, 1966016), (364, 1776976), (376, 1720264), (416, 1554854), (442, 1463392), (448, 1443793), (476, 1358864), (544, 1189006), (556, 1163344), (611, 1058624), (658, 983008), (728, 888488), (752, 860132), (799, 809536), (832, 777427), (884, 731696), (952, 679432), (973, 664768), (1088, 594503), (1112, 581672), (1222, 529312), (1316, 491504), (1456, 444244), (1504, 430066), (1547, 418112), (1598, 404768), (1768, 365848), (1807, 357952), (1904, 339716), (1946, 332384), (2224, 290836), (2363, 273728), (2444, 264656), (2632, 245752), (2912, 222122), (3008, 215033), (3094, 209056), (3196, 202384), (3536, 182924), (3614, 178976), (3808, 169858), (3892, 166192), (4277, 151232), (4448, 145418), (4726, 136864), (4888, 132328), (5264, 122876), (5593, 115648), (5824, 111061), (6188, 104528), (6392, 101192), (6533, 99008), (7072, 91462), (7228, 89488), (7616, 84929), (7784, 83096), (8554, 75616), (8896, 72709), (9452, 68432), (9776, 66164), (10387, 62272), (10528, 61438), (11186, 57824), (12376, 52264), (12649, 51136), (12784, 50596), (13066, 49504), (14144, 45731), (14456, 44744), (15568, 41548), (16541, 39104), (17108, 37808), (18904, 34216), (19552, 33082), (20774, 31136), (21056, 30719), (22372, 28912), (24752, 26132), (25298, 25568)]