68292848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{328331}}^1$

素因数の和:328352

約数の個数: 20

約数和(自身を含む): 142496088

約数和(自身を除く): 74203240

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 328331, 656662, 1313324, 2626648, 4268303, 5253296, 8536606, 17073212, 34146424, 68292848]

約数ペア:

[(1, 68292848), (2, 34146424), (4, 17073212), (8, 8536606), (13, 5253296), (16, 4268303), (26, 2626648), (52, 1313324), (104, 656662), (208, 328331)]