290450986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{3511}}^1$

素因数の和:3850

約数の個数: 32

約数和(自身を含む): 525957120

約数和(自身を除く): 235506134

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 311, 622, 2177, 3511, 4354, 5909, 7022, 11818, 24577, 41363, 49154, 66709, 82726, 133418, 466963, 933926, 1091921, 2183842, 7643447, 15286894, 20746499, 41492998, 145225493, 290450986]

約数ペア:

[(1, 290450986), (2, 145225493), (7, 41492998), (14, 20746499), (19, 15286894), (38, 7643447), (133, 2183842), (266, 1091921), (311, 933926), (622, 466963), (2177, 133418), (3511, 82726), (4354, 66709), (5909, 49154), (7022, 41363), (11818, 24577)]