331702540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1275779}}^1$

素因数の和:1275801

約数の個数: 24

約数和(自身を含む): 750158640

約数和(自身を除く): 418456100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1275779, 2551558, 5103116, 6378895, 12757790, 16585127, 25515580, 33170254, 66340508, 82925635, 165851270, 331702540]

約数ペア:

[(1, 331702540), (2, 165851270), (4, 82925635), (5, 66340508), (10, 33170254), (13, 25515580), (20, 16585127), (26, 12757790), (52, 6378895), (65, 5103116), (130, 2551558), (260, 1275779)]