280668479

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{7541}}^1$

素因数の和:7970

約数の個数: 16

約数和(自身を含む): 346328640

約数和(自身を除く): 65660161

約数列:

[1, 7, 13, 91, 409, 2863, 5317, 7541, 37219, 52787, 98033, 686231, 3084269, 21589883, 40095497, 280668479]

約数ペア:

[(1, 280668479), (7, 40095497), (13, 21589883), (91, 3084269), (409, 686231), (2863, 98033), (5317, 52787), (7541, 37219)]