279888674

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 469592640

約数和(自身を除く): 189703966

約数列:

[1, 2, 13, 26, 71, 107, 109, 142, 169, 214, 218, 338, 923, 1391, 1417, 1846, 2782, 2834, 7597, 7739, 11663, 11999, 15194, 15478, 18083, 18421, 23326, 23998, 36166, 36842, 98761, 100607, 151619, 197522, 201214, 303238, 828073, 1283893, 1307891, 1656146, 1971047, 2567786, 2615782, 3942094, 10764949, 21529898, 139944337, 279888674]

約数ペア:

[(1, 279888674), (2, 139944337), (13, 21529898), (26, 10764949), (71, 3942094), (107, 2615782), (109, 2567786), (142, 1971047), (169, 1656146), (214, 1307891), (218, 1283893), (338, 828073), (923, 303238), (1391, 201214), (1417, 197522), (1846, 151619), (2782, 100607), (2834, 98761), (7597, 36842), (7739, 36166), (11663, 23998), (11999, 23326), (15194, 18421), (15478, 18083)]