1971294787

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{2267}}^1$

素因数の和:2799

約数の個数: 32

約数和(自身を含む): 2570932224

約数和(自身を除く): 599637437

約数列:

[1, 7, 11, 23, 77, 161, 253, 491, 1771, 2267, 3437, 5401, 11293, 15869, 24937, 37807, 52141, 79051, 124223, 174559, 364987, 573551, 869561, 1113097, 4014857, 7791679, 12244067, 25601231, 85708469, 179208617, 281613541, 1971294787]

約数ペア:

[(1, 1971294787), (7, 281613541), (11, 179208617), (23, 85708469), (77, 25601231), (161, 12244067), (253, 7791679), (491, 4014857), (1771, 1113097), (2267, 869561), (3437, 573551), (5401, 364987), (11293, 174559), (15869, 124223), (24937, 79051), (37807, 52141)]