2640393994

素因数分解:

$2^1\times 7^1\times {\mathrm{2351}}^1\times {\mathrm{80221}}^1$

素因数の和:82581

約数の個数: 16

約数和(自身を含む): 4528371456

約数和(自身を除く): 1887977462

約数列:

[1, 2, 7, 14, 2351, 4702, 16457, 32914, 80221, 160442, 561547, 1123094, 188599571, 377199142, 1320196997, 2640393994]

約数ペア:

[(1, 2640393994), (2, 1320196997), (7, 377199142), (14, 188599571), (2351, 1123094), (4702, 561547), (16457, 160442), (32914, 80221)]