280107373

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{439729}}^1$

素因数の和:439756

約数の個数: 12

約数和(自身を含む): 350904540

約数和(自身を除く): 70797167

約数列:

[1, 7, 13, 49, 91, 637, 439729, 3078103, 5716477, 21546721, 40015339, 280107373]

約数ペア:

[(1, 280107373), (7, 40015339), (13, 21546721), (49, 5716477), (91, 3078103), (637, 439729)]