131270406590

素因数分解:

$2^1\times 5^1\times {\mathrm{26881}}^1\times {\mathrm{488339}}^1$

素因数の和:515227

約数の個数: 16

約数和(自身を含む): 236296005840

約数和(自身を除く): 105025599250

約数列:

[1, 2, 5, 10, 26881, 53762, 134405, 268810, 488339, 976678, 2441695, 4883390, 13127040659, 26254081318, 65635203295, 131270406590]

約数ペア:

[(1, 131270406590), (2, 65635203295), (5, 26254081318), (10, 13127040659), (26881, 4883390), (53762, 2441695), (134405, 976678), (268810, 488339)]