12977995

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{829}}^1$

素因数の和:966

約数の個数: 16

約数和(自身を含む): 16254720

約数和(自身を除く): 3276725

約数列:

[1, 5, 31, 101, 155, 505, 829, 3131, 4145, 15655, 25699, 83729, 128495, 418645, 2595599, 12977995]

約数ペア:

[(1, 12977995), (5, 2595599), (31, 418645), (101, 128495), (155, 83729), (505, 25699), (829, 15655), (3131, 4145)]