129990728

素因数分解:

$2^3\times 7^2\times {\mathrm{331609}}^1$

素因数の和:331629

約数の個数: 24

約数和(自身を含む): 283526550

約数和(自身を除く): 153535822

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 331609, 663218, 1326436, 2321263, 2652872, 4642526, 9285052, 16248841, 18570104, 32497682, 64995364, 129990728]

約数ペア:

[(1, 129990728), (2, 64995364), (4, 32497682), (7, 18570104), (8, 16248841), (14, 9285052), (28, 4642526), (49, 2652872), (56, 2321263), (98, 1326436), (196, 663218), (392, 331609)]