139999412

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{31847}}^1$

素因数の和:32015

約数の個数: 24

約数和(自身を含む): 281791104

約数和(自身を除く): 141791692

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 31847, 63694, 127388, 222929, 445858, 891716, 4999979, 9999958, 19999916, 34999853, 69999706, 139999412]

約数ペア:

[(1, 139999412), (2, 69999706), (4, 34999853), (7, 19999916), (14, 9999958), (28, 4999979), (157, 891716), (314, 445858), (628, 222929), (1099, 127388), (2198, 63694), (4396, 31847)]