1640996

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{569}}^1$

素因数の和:683

約数の個数: 24

約数和(自身を含む): 3319680

約数和(自身を除く): 1678684

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 569, 721, 1138, 1442, 2276, 2884, 3983, 7966, 15932, 58607, 117214, 234428, 410249, 820498, 1640996]

約数ペア:

[(1, 1640996), (2, 820498), (4, 410249), (7, 234428), (14, 117214), (28, 58607), (103, 15932), (206, 7966), (412, 3983), (569, 2884), (721, 2276), (1138, 1442)]