81967782

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 184504320

約数和(自身を除く): 102536538

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 109, 186, 218, 311, 327, 403, 622, 654, 806, 933, 1209, 1417, 1866, 2418, 2834, 3379, 4043, 4251, 6758, 8086, 8502, 9641, 10137, 12129, 19282, 20274, 24258, 28923, 33899, 43927, 57846, 67798, 87854, 101697, 125333, 131781, 203394, 250666, 263562, 375999, 440687, 751998, 881374, 1050869, 1322061, 2101738, 2644122, 3152607, 6305214, 13661297, 27322594, 40983891, 81967782]

約数ペア:

[(1, 81967782), (2, 40983891), (3, 27322594), (6, 13661297), (13, 6305214), (26, 3152607), (31, 2644122), (39, 2101738), (62, 1322061), (78, 1050869), (93, 881374), (109, 751998), (186, 440687), (218, 375999), (311, 263562), (327, 250666), (403, 203394), (622, 131781), (654, 125333), (806, 101697), (933, 87854), (1209, 67798), (1417, 57846), (1866, 43927), (2418, 33899), (2834, 28923), (3379, 24258), (4043, 20274), (4251, 19282), (6758, 12129), (8086, 10137), (8502, 9641)]