7981090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{73}}^1$

素因数の和:151

約数の個数: 48

約数和(自身を含む): 16242408

約数和(自身を除く): 8261318

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 73, 130, 145, 146, 290, 365, 377, 730, 754, 841, 949, 1682, 1885, 1898, 2117, 3770, 4205, 4234, 4745, 8410, 9490, 10585, 10933, 21170, 21866, 27521, 54665, 55042, 61393, 109330, 122786, 137605, 275210, 306965, 613930, 798109, 1596218, 3990545, 7981090]

約数ペア:

[(1, 7981090), (2, 3990545), (5, 1596218), (10, 798109), (13, 613930), (26, 306965), (29, 275210), (58, 137605), (65, 122786), (73, 109330), (130, 61393), (145, 55042), (146, 54665), (290, 27521), (365, 21866), (377, 21170), (730, 10933), (754, 10585), (841, 9490), (949, 8410), (1682, 4745), (1885, 4234), (1898, 4205), (2117, 3770)]