492721918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{136337}}^1$

素因数の和:136491

約数の個数: 16

約数和(自身を含む): 801667440

約数和(自身を除く): 308945522

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 136337, 272674, 1772381, 3544762, 18950843, 37901686, 246360959, 492721918]

約数ペア:

[(1, 492721918), (2, 246360959), (13, 37901686), (26, 18950843), (139, 3544762), (278, 1772381), (1807, 272674), (3614, 136337)]