1289324816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{6198677}}^1$

素因数の和:6198698

約数の個数: 20

約数和(自身を含む): 2690226252

約数和(自身を除く): 1400901436

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 6198677, 12397354, 24794708, 49589416, 80582801, 99178832, 161165602, 322331204, 644662408, 1289324816]

約数ペア:

[(1, 1289324816), (2, 644662408), (4, 322331204), (8, 161165602), (13, 99178832), (16, 80582801), (26, 49589416), (52, 24794708), (104, 12397354), (208, 6198677)]