400742576

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1926647}}^1$

素因数の和:1926668

約数の個数: 20

約数和(自身を含む): 836165232

約数和(自身を除く): 435422656

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1926647, 3853294, 7706588, 15413176, 25046411, 30826352, 50092822, 100185644, 200371288, 400742576]

約数ペア:

[(1, 400742576), (2, 200371288), (4, 100185644), (8, 50092822), (13, 30826352), (16, 25046411), (26, 15413176), (52, 7706588), (104, 3853294), (208, 1926647)]