426966475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{77279}}^1$

素因数の和:77319

約数の個数: 24

約数和(自身を含む): 603711360

約数和(自身を除く): 176744885

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 77279, 386395, 1004627, 1313743, 1931975, 5023135, 6568715, 17078659, 25115675, 32843575, 85393295, 426966475]

約数ペア:

[(1, 426966475), (5, 85393295), (13, 32843575), (17, 25115675), (25, 17078659), (65, 6568715), (85, 5023135), (221, 1931975), (325, 1313743), (425, 1004627), (1105, 386395), (5525, 77279)]