257618816

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1301}}^1$

素因数の和:1352

約数の個数: 128

約数和(自身を含む): 669332160

約数和(自身を除く): 411713344

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 64, 68, 91, 104, 112, 119, 128, 136, 182, 208, 221, 224, 238, 272, 364, 416, 442, 448, 476, 544, 728, 832, 884, 896, 952, 1088, 1301, 1456, 1547, 1664, 1768, 1904, 2176, 2602, 2912, 3094, 3536, 3808, 5204, 5824, 6188, 7072, 7616, 9107, 10408, 11648, 12376, 14144, 15232, 16913, 18214, 20816, 22117, 24752, 28288, 33826, 36428, 41632, 44234, 49504, 67652, 72856, 83264, 88468, 99008, 118391, 135304, 145712, 154819, 166528, 176936, 198016, 236782, 270608, 287521, 291424, 309638, 353872, 473564, 541216, 575042, 582848, 619276, 707744, 947128, 1082432, 1150084, 1165696, 1238552, 1415488, 1894256, 2012647, 2164864, 2300168, 2477104, 2830976, 3788512, 4025294, 4600336, 4954208, 7577024, 8050588, 9200672, 9908416, 15154048, 16101176, 18401344, 19816832, 32202352, 36802688, 64404704, 128809408, 257618816]

約数ペア:

[(1, 257618816), (2, 128809408), (4, 64404704), (7, 36802688), (8, 32202352), (13, 19816832), (14, 18401344), (16, 16101176), (17, 15154048), (26, 9908416), (28, 9200672), (32, 8050588), (34, 7577024), (52, 4954208), (56, 4600336), (64, 4025294), (68, 3788512), (91, 2830976), (104, 2477104), (112, 2300168), (119, 2164864), (128, 2012647), (136, 1894256), (182, 1415488), (208, 1238552), (221, 1165696), (224, 1150084), (238, 1082432), (272, 947128), (364, 707744), (416, 619276), (442, 582848), (448, 575042), (476, 541216), (544, 473564), (728, 353872), (832, 309638), (884, 291424), (896, 287521), (952, 270608), (1088, 236782), (1301, 198016), (1456, 176936), (1547, 166528), (1664, 154819), (1768, 145712), (1904, 135304), (2176, 118391), (2602, 99008), (2912, 88468), (3094, 83264), (3536, 72856), (3808, 67652), (5204, 49504), (5824, 44234), (6188, 41632), (7072, 36428), (7616, 33826), (9107, 28288), (10408, 24752), (11648, 22117), (12376, 20816), (14144, 18214), (15232, 16913)]