489778874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{15607}}^1$

素因数の和:15710

約数の個数: 32

約数和(自身を含む): 849574656

約数和(自身を除く): 359795782

約数列:

[1, 2, 13, 17, 26, 34, 71, 142, 221, 442, 923, 1207, 1846, 2414, 15607, 15691, 31214, 31382, 202891, 265319, 405782, 530638, 1108097, 2216194, 3449147, 6898294, 14405261, 18837649, 28810522, 37675298, 244889437, 489778874]

約数ペア:

[(1, 489778874), (2, 244889437), (13, 37675298), (17, 28810522), (26, 18837649), (34, 14405261), (71, 6898294), (142, 3449147), (221, 2216194), (442, 1108097), (923, 530638), (1207, 405782), (1846, 265319), (2414, 202891), (15607, 31382), (15691, 31214)]