78974390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{1039}}^1$

素因数の和:1748

約数の個数: 32

約数和(自身を含む): 155450880

約数和(自身を除く): 76476490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 691, 1039, 1382, 2078, 3455, 5195, 6910, 7601, 10390, 11429, 15202, 22858, 38005, 57145, 76010, 114290, 717949, 1435898, 3589745, 7179490, 7897439, 15794878, 39487195, 78974390]

約数ペア:

[(1, 78974390), (2, 39487195), (5, 15794878), (10, 7897439), (11, 7179490), (22, 3589745), (55, 1435898), (110, 717949), (691, 114290), (1039, 76010), (1382, 57145), (2078, 38005), (3455, 22858), (5195, 15202), (6910, 11429), (7601, 10390)]