399051988

素因数分解:

$2^2\times {\mathrm{1427}}^1\times {\mathrm{69911}}^1$

素因数の和:71342

約数の個数: 12

約数和(自身を含む): 698840352

約数和(自身を除く): 299788364

約数列:

[1, 2, 4, 1427, 2854, 5708, 69911, 139822, 279644, 99762997, 199525994, 399051988]

約数ペア:

[(1, 399051988), (2, 199525994), (4, 99762997), (1427, 279644), (2854, 139822), (5708, 69911)]