268522

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 16

約数和(自身を含む): 428544

約数和(自身を除く): 160022

約数列:

[1, 2, 31, 61, 62, 71, 122, 142, 1891, 2201, 3782, 4331, 4402, 8662, 134261, 268522]

約数ペア:

[(1, 268522), (2, 134261), (31, 8662), (61, 4402), (62, 4331), (71, 3782), (122, 2201), (142, 1891)]