490277555

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{40039}}^1$

素因数の和:40154

約数の個数: 16

約数和(自身を含む): 615014400

約数和(自身を除く): 124736845

約数列:

[1, 5, 31, 79, 155, 395, 2449, 12245, 40039, 200195, 1241209, 3163081, 6206045, 15815405, 98055511, 490277555]

約数ペア:

[(1, 490277555), (5, 98055511), (31, 15815405), (79, 6206045), (155, 3163081), (395, 1241209), (2449, 200195), (12245, 40039)]