7897790

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1931}}^1$

素因数の和:2347

約数の個数: 16

約数和(自身を含む): 14258160

約数和(自身を除く): 6360370

約数列:

[1, 2, 5, 10, 409, 818, 1931, 2045, 3862, 4090, 9655, 19310, 789779, 1579558, 3948895, 7897790]

約数ペア:

[(1, 7897790), (2, 3948895), (5, 1579558), (10, 789779), (409, 19310), (818, 9655), (1931, 4090), (2045, 3862)]