256571562

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{106109}}^1$

素因数の和:106158

約数の個数: 32

約数和(自身を含む): 570447360

約数和(自身を除く): 313875798

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 106109, 212218, 318327, 636654, 1379417, 2758834, 3289379, 4138251, 6578758, 8276502, 9868137, 19736274, 42761927, 85523854, 128285781, 256571562]

約数ペア:

[(1, 256571562), (2, 128285781), (3, 85523854), (6, 42761927), (13, 19736274), (26, 9868137), (31, 8276502), (39, 6578758), (62, 4138251), (78, 3289379), (93, 2758834), (186, 1379417), (403, 636654), (806, 318327), (1209, 212218), (2418, 106109)]