397355842

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{10987}}^1$

素因数の和:11122

約数の個数: 24

約数和(自身を含む): 651500496

約数和(自身を除く): 254144654

約数列:

[1, 2, 13, 26, 107, 169, 214, 338, 1391, 2782, 10987, 18083, 21974, 36166, 142831, 285662, 1175609, 1856803, 2351218, 3713606, 15282917, 30565834, 198677921, 397355842]

約数ペア:

[(1, 397355842), (2, 198677921), (13, 30565834), (26, 15282917), (107, 3713606), (169, 2351218), (214, 1856803), (338, 1175609), (1391, 285662), (2782, 142831), (10987, 36166), (18083, 21974)]