261886703

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{3917}}^1$

素因数の和:4106

約数の個数: 16

約数和(自身を含む): 291812640

約数和(自身を除く): 29925937

約数列:

[1, 13, 37, 139, 481, 1807, 3917, 5143, 50921, 66859, 144929, 544463, 1884077, 7078019, 20145131, 261886703]

約数ペア:

[(1, 261886703), (13, 20145131), (37, 7078019), (139, 1884077), (481, 544463), (1807, 144929), (3917, 66859), (5143, 50921)]