256996854

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3943}}^1$

素因数の和:4042

約数の個数: 64

約数和(自身を含む): 613370880

約数和(自身を除く): 356374026

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 71, 102, 142, 153, 213, 306, 426, 459, 639, 918, 1207, 1278, 1917, 2414, 3621, 3834, 3943, 7242, 7886, 10863, 11829, 21726, 23658, 32589, 35487, 65178, 67031, 70974, 106461, 134062, 201093, 212922, 279953, 402186, 559906, 603279, 839859, 1206558, 1679718, 1809837, 2519577, 3619674, 4759201, 5039154, 7558731, 9518402, 14277603, 15117462, 28555206, 42832809, 85665618, 128498427, 256996854]

約数ペア:

[(1, 256996854), (2, 128498427), (3, 85665618), (6, 42832809), (9, 28555206), (17, 15117462), (18, 14277603), (27, 9518402), (34, 7558731), (51, 5039154), (54, 4759201), (71, 3619674), (102, 2519577), (142, 1809837), (153, 1679718), (213, 1206558), (306, 839859), (426, 603279), (459, 559906), (639, 402186), (918, 279953), (1207, 212922), (1278, 201093), (1917, 134062), (2414, 106461), (3621, 70974), (3834, 67031), (3943, 65178), (7242, 35487), (7886, 32589), (10863, 23658), (11829, 21726)]