1047120221

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{7127}}^1$

素因数の和:7424

約数の個数: 16

約数和(自身を含む): 1213470720

約数和(自身を除く): 166350499

約数列:

[1, 7, 139, 151, 973, 1057, 7127, 20989, 49889, 146923, 990653, 1076177, 6934571, 7533239, 149588603, 1047120221]

約数ペア:

[(1, 1047120221), (7, 149588603), (139, 7533239), (151, 6934571), (973, 1076177), (1057, 990653), (7127, 146923), (20989, 49889)]