638526242575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{5441}}^1\times {\mathrm{361091}}^1$

素因数の和:366555

約数の個数: 24

約数和(自身を含む): 852837196176

約数和(自身を除く): 214310953601

約数列:

[1, 5, 13, 25, 65, 325, 5441, 27205, 70733, 136025, 353665, 361091, 1768325, 1805455, 4694183, 9027275, 23470915, 117354575, 1964696131, 9823480655, 25541049703, 49117403275, 127705248515, 638526242575]

約数ペア:

[(1, 638526242575), (5, 127705248515), (13, 49117403275), (25, 25541049703), (65, 9823480655), (325, 1964696131), (5441, 117354575), (27205, 23470915), (70733, 9027275), (136025, 4694183), (353665, 1805455), (361091, 1768325)]