318222385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{431}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 424714752

約数和(自身を除く): 106492367

約数列:

[1, 5, 13, 37, 65, 185, 307, 431, 481, 1535, 2155, 2405, 3991, 5603, 11359, 15947, 19955, 28015, 56795, 79735, 132317, 147667, 207311, 661585, 738335, 1036555, 1720121, 4895729, 8600605, 24478645, 63644477, 318222385]

約数ペア:

[(1, 318222385), (5, 63644477), (13, 24478645), (37, 8600605), (65, 4895729), (185, 1720121), (307, 1036555), (431, 738335), (481, 661585), (1535, 207311), (2155, 147667), (2405, 132317), (3991, 79735), (5603, 56795), (11359, 28015), (15947, 19955)]