389969346

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1207

約数の個数: 64

約数和(自身を含む): 865299456

約数和(自身を除く): 475330110

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 71, 78, 134, 142, 201, 213, 402, 426, 871, 923, 1051, 1742, 1846, 2102, 2613, 2769, 3153, 4757, 5226, 5538, 6306, 9514, 13663, 14271, 27326, 28542, 40989, 61841, 70417, 74621, 81978, 123682, 140834, 149242, 185523, 211251, 223863, 371046, 422502, 447726, 915421, 970073, 1830842, 1940146, 2746263, 2910219, 4999607, 5492526, 5820438, 9999214, 14998821, 29997642, 64994891, 129989782, 194984673, 389969346]

約数ペア:

[(1, 389969346), (2, 194984673), (3, 129989782), (6, 64994891), (13, 29997642), (26, 14998821), (39, 9999214), (67, 5820438), (71, 5492526), (78, 4999607), (134, 2910219), (142, 2746263), (201, 1940146), (213, 1830842), (402, 970073), (426, 915421), (871, 447726), (923, 422502), (1051, 371046), (1742, 223863), (1846, 211251), (2102, 185523), (2613, 149242), (2769, 140834), (3153, 123682), (4757, 81978), (5226, 74621), (5538, 70417), (6306, 61841), (9514, 40989), (13663, 28542), (14271, 27326)]