628439890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{45179}}^1$

素因数の和:45306

約数の個数: 32

約数和(自身を含む): 1229618880

約数和(自身を除く): 601178990

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 130, 214, 535, 1070, 1391, 2782, 6955, 13910, 45179, 90358, 225895, 451790, 587327, 1174654, 2936635, 4834153, 5873270, 9668306, 24170765, 48341530, 62843989, 125687978, 314219945, 628439890]

約数ペア:

[(1, 628439890), (2, 314219945), (5, 125687978), (10, 62843989), (13, 48341530), (26, 24170765), (65, 9668306), (107, 5873270), (130, 4834153), (214, 2936635), (535, 1174654), (1070, 587327), (1391, 451790), (2782, 225895), (6955, 90358), (13910, 45179)]