66680666

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{4001}}^1$

素因数の和:4657

約数の個数: 16

約数和(自身を含む): 107909928

約数和(自身を除く): 41229262

約数列:

[1, 2, 13, 26, 641, 1282, 4001, 8002, 8333, 16666, 52013, 104026, 2564641, 5129282, 33340333, 66680666]

約数ペア:

[(1, 66680666), (2, 33340333), (13, 5129282), (26, 2564641), (641, 104026), (1282, 52013), (4001, 16666), (8002, 8333)]