639492095

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{2797}}^1\times {\mathrm{4157}}^1$

素因数の和:6970

約数の個数: 16

約数和(自身を含む): 837654048

約数和(自身を除く): 198161953

約数列:

[1, 5, 11, 55, 2797, 4157, 13985, 20785, 30767, 45727, 153835, 228635, 11627129, 58135645, 127898419, 639492095]

約数ペア:

[(1, 639492095), (5, 127898419), (11, 58135645), (55, 11627129), (2797, 228635), (4157, 153835), (13985, 45727), (20785, 30767)]