72718405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{7691}}^1$

素因数の和:7788

約数の個数: 16

約数和(自身を含む): 91565568

約数和(自身を除く): 18847163

約数列:

[1, 5, 31, 61, 155, 305, 1891, 7691, 9455, 38455, 238421, 469151, 1192105, 2345755, 14543681, 72718405]

約数ペア:

[(1, 72718405), (5, 14543681), (31, 2345755), (61, 1192105), (155, 469151), (305, 238421), (1891, 38455), (7691, 9455)]