38680405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4091}}^1$

素因数の和:4188

約数の個数: 16

約数和(自身を含む): 48711168

約数和(自身を除く): 10030763

約数列:

[1, 5, 31, 61, 155, 305, 1891, 4091, 9455, 20455, 126821, 249551, 634105, 1247755, 7736081, 38680405]

約数ペア:

[(1, 38680405), (5, 7736081), (31, 1247755), (61, 634105), (155, 249551), (305, 126821), (1891, 20455), (4091, 9455)]