257098504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 530893440

約数和(自身を除く): 273794936

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 113, 131, 167, 226, 262, 334, 452, 524, 668, 904, 1048, 1336, 1469, 1703, 2171, 2938, 3406, 4342, 5876, 6812, 8684, 11752, 13624, 14803, 17368, 18871, 21877, 29606, 37742, 43754, 59212, 75484, 87508, 118424, 150968, 175016, 192439, 245323, 284401, 384878, 490646, 568802, 769756, 981292, 1137604, 1539512, 1962584, 2275208, 2472101, 4944202, 9888404, 19776808, 32137313, 64274626, 128549252, 257098504]

約数ペア:

[(1, 257098504), (2, 128549252), (4, 64274626), (8, 32137313), (13, 19776808), (26, 9888404), (52, 4944202), (104, 2472101), (113, 2275208), (131, 1962584), (167, 1539512), (226, 1137604), (262, 981292), (334, 769756), (452, 568802), (524, 490646), (668, 384878), (904, 284401), (1048, 245323), (1336, 192439), (1469, 175016), (1703, 150968), (2171, 118424), (2938, 87508), (3406, 75484), (4342, 59212), (5876, 43754), (6812, 37742), (8684, 29606), (11752, 21877), (13624, 18871), (14803, 17368)]