131557258

素因数分解:

$2^1\times 7^2\times {\mathrm{571}}^1\times {\mathrm{2351}}^1$

素因数の和:2938

約数の個数: 24

約数和(自身を含む): 230053824

約数和(自身を除く): 98496566

約数列:

[1, 2, 7, 14, 49, 98, 571, 1142, 2351, 3997, 4702, 7994, 16457, 27979, 32914, 55958, 115199, 230398, 1342421, 2684842, 9396947, 18793894, 65778629, 131557258]

約数ペア:

[(1, 131557258), (2, 65778629), (7, 18793894), (14, 9396947), (49, 2684842), (98, 1342421), (571, 230398), (1142, 115199), (2351, 55958), (3997, 32914), (4702, 27979), (7994, 16457)]