890293684

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{308701}}^1$

素因数の和:308815

約数の個数: 24

約数和(自身を含む): 1797880448

約数和(自身を除く): 907586764

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 308701, 617402, 1234804, 2160907, 4321814, 8643628, 31796203, 63592406, 127184812, 222573421, 445146842, 890293684]

約数ペア:

[(1, 890293684), (2, 445146842), (4, 222573421), (7, 127184812), (14, 63592406), (28, 31796203), (103, 8643628), (206, 4321814), (412, 2160907), (721, 1234804), (1442, 617402), (2884, 308701)]