399133712

素因数分解:

$2^4\times {\mathrm{2417}}^1\times {\mathrm{10321}}^1$

素因数の和:12746

約数の個数: 20

約数和(自身を含む): 773716476

約数和(自身を除く): 374582764

約数列:

[1, 2, 4, 8, 16, 2417, 4834, 9668, 10321, 19336, 20642, 38672, 41284, 82568, 165136, 24945857, 49891714, 99783428, 199566856, 399133712]

約数ペア:

[(1, 399133712), (2, 199566856), (4, 99783428), (8, 49891714), (16, 24945857), (2417, 165136), (4834, 82568), (9668, 41284), (10321, 38672), (19336, 20642)]