1399104238

素因数分解:

$2^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{249217}}^1$

素因数の和:249627

約数の個数: 16

約数和(自身を含む): 2404455264

約数和(自身を除く): 1005351026

約数列:

[1, 2, 7, 14, 401, 802, 2807, 5614, 249217, 498434, 1744519, 3489038, 99936017, 199872034, 699552119, 1399104238]

約数ペア:

[(1, 1399104238), (2, 699552119), (7, 199872034), (14, 99936017), (401, 3489038), (802, 1744519), (2807, 498434), (5614, 249217)]