81516578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{285023}}^1$

素因数の和:285049

約数の個数: 16

約数和(自身を含む): 143652096

約数和(自身を除く): 62135518

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 285023, 570046, 3135253, 3705299, 6270506, 7410598, 40758289, 81516578]

約数ペア:

[(1, 81516578), (2, 40758289), (11, 7410598), (13, 6270506), (22, 3705299), (26, 3135253), (143, 570046), (286, 285023)]