80278718

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{2179}}^1$

素因数の和:2316

約数の個数: 24

約数和(自身を含む): 131650200

約数和(自身を除く): 51371482

約数列:

[1, 2, 13, 26, 109, 169, 218, 338, 1417, 2179, 2834, 4358, 18421, 28327, 36842, 56654, 237511, 368251, 475022, 736502, 3087643, 6175286, 40139359, 80278718]

約数ペア:

[(1, 80278718), (2, 40139359), (13, 6175286), (26, 3087643), (109, 736502), (169, 475022), (218, 368251), (338, 237511), (1417, 56654), (2179, 36842), (2834, 28327), (4358, 18421)]