2640803456

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{162451}}^1$

素因数の和:162592

約数の個数: 32

約数和(自身を含む): 5302433280

約数和(自身を除く): 2661629824

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 2032, 4064, 8128, 16256, 162451, 324902, 649804, 1299608, 2599216, 5198432, 10396864, 20631277, 20793728, 41262554, 82525108, 165050216, 330100432, 660200864, 1320401728, 2640803456]

約数ペア:

[(1, 2640803456), (2, 1320401728), (4, 660200864), (8, 330100432), (16, 165050216), (32, 82525108), (64, 41262554), (127, 20793728), (128, 20631277), (254, 10396864), (508, 5198432), (1016, 2599216), (2032, 1299608), (4064, 649804), (8128, 324902), (16256, 162451)]