249535979

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 339663456

約数和(自身を除く): 90127477

約数列:

[1, 7, 11, 17, 49, 77, 113, 119, 187, 241, 539, 791, 833, 1243, 1309, 1687, 1921, 2651, 4097, 5537, 8701, 9163, 11809, 13447, 18557, 21131, 27233, 28679, 45067, 60907, 94129, 129899, 147917, 190631, 200753, 299563, 315469, 462961, 1035419, 1334417, 2096941, 2208283, 3240727, 5092571, 14678587, 22685089, 35647997, 249535979]

約数ペア:

[(1, 249535979), (7, 35647997), (11, 22685089), (17, 14678587), (49, 5092571), (77, 3240727), (113, 2208283), (119, 2096941), (187, 1334417), (241, 1035419), (539, 462961), (791, 315469), (833, 299563), (1243, 200753), (1309, 190631), (1687, 147917), (1921, 129899), (2651, 94129), (4097, 60907), (5537, 45067), (8701, 28679), (9163, 27233), (11809, 21131), (13447, 18557)]