1392791281

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{66169}}^1$

素因数の和:66304

約数の個数: 16

約数和(自身を含む): 1660072960

約数和(自身を除く): 267281679

約数列:

[1, 7, 31, 97, 217, 679, 3007, 21049, 66169, 463183, 2051239, 6418393, 14358673, 44928751, 198970183, 1392791281]

約数ペア:

[(1, 1392791281), (7, 198970183), (31, 44928751), (97, 14358673), (217, 6418393), (679, 2051239), (3007, 463183), (21049, 66169)]