1221468575

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{2609}}^1$

素因数の和:2987

約数の個数: 24

約数和(自身を含む): 1545057360

約数和(自身を除く): 323588785

約数列:

[1, 5, 25, 61, 305, 307, 1525, 1535, 2609, 7675, 13045, 18727, 65225, 93635, 159149, 468175, 795745, 800963, 3978725, 4004815, 20024075, 48858743, 244293715, 1221468575]

約数ペア:

[(1, 1221468575), (5, 244293715), (25, 48858743), (61, 20024075), (305, 4004815), (307, 3978725), (1525, 800963), (1535, 795745), (2609, 468175), (7675, 159149), (13045, 93635), (18727, 65225)]