28424630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{218651}}^1$

素因数の和:218671

約数の個数: 16

約数和(自身を含む): 55100304

約数和(自身を除く): 26675674

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 218651, 437302, 1093255, 2186510, 2842463, 5684926, 14212315, 28424630]

約数ペア:

[(1, 28424630), (2, 14212315), (5, 5684926), (10, 2842463), (13, 2186510), (26, 1093255), (65, 437302), (130, 218651)]