1399689718

素因数分解:

$2^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{440431}}^1$

素因数の和:440667

約数の個数: 16

約数和(自身を含む): 2410043904

約数和(自身を除く): 1010354186

約数列:

[1, 2, 7, 14, 227, 454, 1589, 3178, 440431, 880862, 3083017, 6166034, 99977837, 199955674, 699844859, 1399689718]

約数ペア:

[(1, 1399689718), (2, 699844859), (7, 199955674), (14, 99977837), (227, 6166034), (454, 3083017), (1589, 880862), (3178, 440431)]