291208415

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1\times {\mathrm{1571}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 353586816

約数和(自身を除く): 62378401

約数列:

[1, 5, 131, 283, 655, 1415, 1571, 7855, 37073, 185365, 205801, 444593, 1029005, 2222965, 58241683, 291208415]

約数ペア:

[(1, 291208415), (5, 58241683), (131, 2222965), (283, 1029005), (655, 444593), (1415, 205801), (1571, 185365), (7855, 37073)]