291230978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{20443}}^1$

素因数の和:20881

約数の個数: 16

約数和(自身を含む): 463669920

約数和(自身を除く): 172438942

約数列:

[1, 2, 17, 34, 419, 838, 7123, 14246, 20443, 40886, 347531, 695062, 8565617, 17131234, 145615489, 291230978]

約数ペア:

[(1, 291230978), (2, 145615489), (17, 17131234), (34, 8565617), (419, 695062), (838, 347531), (7123, 40886), (14246, 20443)]