408029968

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{247591}}^1$

素因数の和:247702

約数の個数: 20

約数和(自身を含む): 798236608

約数和(自身を除く): 390206640

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 247591, 495182, 990364, 1980728, 3961456, 25501873, 51003746, 102007492, 204014984, 408029968]

約数ペア:

[(1, 408029968), (2, 204014984), (4, 102007492), (8, 51003746), (16, 25501873), (103, 3961456), (206, 1980728), (412, 990364), (824, 495182), (1648, 247591)]