13280008

素因数分解:

$2^3\times 7^1\times {\mathrm{237143}}^1$

素因数の和:237156

約数の個数: 16

約数和(自身を含む): 28457280

約数和(自身を除く): 15177272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 237143, 474286, 948572, 1660001, 1897144, 3320002, 6640004, 13280008]

約数ペア:

[(1, 13280008), (2, 6640004), (4, 3320002), (7, 1897144), (8, 1660001), (14, 948572), (28, 474286), (56, 237143)]