66720862

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{1811}}^1$

素因数の和:1948

約数の個数: 24

約数和(自身を含む): 109426680

約数和(自身を除く): 42705818

約数列:

[1, 2, 13, 26, 109, 169, 218, 338, 1417, 1811, 2834, 3622, 18421, 23543, 36842, 47086, 197399, 306059, 394798, 612118, 2566187, 5132374, 33360431, 66720862]

約数ペア:

[(1, 66720862), (2, 33360431), (13, 5132374), (26, 2566187), (109, 612118), (169, 394798), (218, 306059), (338, 197399), (1417, 47086), (1811, 36842), (2834, 23543), (3622, 18421)]