209430605

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{10391}}^1$

素因数の和:10564

約数の個数: 16

約数和(自身を含む): 261878400

約数和(自身を除く): 52447795

約数列:

[1, 5, 29, 139, 145, 695, 4031, 10391, 20155, 51955, 301339, 1444349, 1506695, 7221745, 41886121, 209430605]

約数ペア:

[(1, 209430605), (5, 41886121), (29, 7221745), (139, 1506695), (145, 1444349), (695, 301339), (4031, 51955), (10391, 20155)]