28728258

素因数分解:

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

素因数の和:267

約数の個数: 48

約数和(自身を含む): 64463616

約数和(自身を除く): 35735358

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 109, 186, 218, 327, 403, 654, 806, 1209, 1417, 2418, 2834, 3379, 4251, 6758, 8502, 10137, 11881, 20274, 23762, 35643, 43927, 71286, 87854, 131781, 154453, 263562, 308906, 368311, 463359, 736622, 926718, 1104933, 2209866, 4788043, 9576086, 14364129, 28728258]

約数ペア:

[(1, 28728258), (2, 14364129), (3, 9576086), (6, 4788043), (13, 2209866), (26, 1104933), (31, 926718), (39, 736622), (62, 463359), (78, 368311), (93, 308906), (109, 263562), (186, 154453), (218, 131781), (327, 87854), (403, 71286), (654, 43927), (806, 35643), (1209, 23762), (1417, 20274), (2418, 11881), (2834, 10137), (3379, 8502), (4251, 6758)]