78157972

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{2633}}^1$

素因数の和:2859

約数の個数: 24

約数和(自身を含む): 140940072

約数和(自身を除く): 62782100

約数列:

[1, 2, 4, 41, 82, 164, 181, 362, 724, 2633, 5266, 7421, 10532, 14842, 29684, 107953, 215906, 431812, 476573, 953146, 1906292, 19539493, 39078986, 78157972]

約数ペア:

[(1, 78157972), (2, 39078986), (4, 19539493), (41, 1906292), (82, 953146), (164, 476573), (181, 431812), (362, 215906), (724, 107953), (2633, 29684), (5266, 14842), (7421, 10532)]