81210454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{66457}}^1$

素因数の和:66519

約数の個数: 16

約数和(自身を含む): 133979328

約数和(自身を除く): 52768874

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 66457, 132914, 863941, 1727882, 3123479, 6246958, 40605227, 81210454]

約数ペア:

[(1, 81210454), (2, 40605227), (13, 6246958), (26, 3123479), (47, 1727882), (94, 863941), (611, 132914), (1222, 66457)]