420990872

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{992903}}^1$

素因数の和:992962

約数の個数: 16

約数和(自身を含む): 804252240

約数和(自身を除く): 383261368

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 992903, 1985806, 3971612, 7943224, 52623859, 105247718, 210495436, 420990872]

約数ペア:

[(1, 420990872), (2, 210495436), (4, 105247718), (8, 52623859), (53, 7943224), (106, 3971612), (212, 1985806), (424, 992903)]