128156418

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:222

約数の個数: 120

約数和(自身を含む): 323110656

約数和(自身を除く): 194954238

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 78, 81, 93, 117, 151, 162, 169, 186, 234, 279, 302, 338, 351, 403, 453, 507, 558, 702, 806, 837, 906, 1014, 1053, 1209, 1359, 1521, 1674, 1963, 2106, 2418, 2511, 2718, 3042, 3627, 3926, 4077, 4563, 4681, 5022, 5239, 5889, 7254, 8154, 9126, 9362, 10478, 10881, 11778, 12231, 13689, 14043, 15717, 17667, 21762, 24462, 25519, 27378, 28086, 31434, 32643, 35334, 42129, 47151, 51038, 53001, 60853, 65286, 76557, 84258, 94302, 106002, 121706, 126387, 141453, 153114, 159003, 182559, 229671, 252774, 282906, 318006, 365118, 379161, 424359, 459342, 547677, 689013, 758322, 791089, 848718, 1095354, 1378026, 1582178, 1643031, 2067039, 2373267, 3286062, 4134078, 4746534, 4929093, 7119801, 9858186, 14239602, 21359403, 42718806, 64078209, 128156418]

約数ペア:

[(1, 128156418), (2, 64078209), (3, 42718806), (6, 21359403), (9, 14239602), (13, 9858186), (18, 7119801), (26, 4929093), (27, 4746534), (31, 4134078), (39, 3286062), (54, 2373267), (62, 2067039), (78, 1643031), (81, 1582178), (93, 1378026), (117, 1095354), (151, 848718), (162, 791089), (169, 758322), (186, 689013), (234, 547677), (279, 459342), (302, 424359), (338, 379161), (351, 365118), (403, 318006), (453, 282906), (507, 252774), (558, 229671), (702, 182559), (806, 159003), (837, 153114), (906, 141453), (1014, 126387), (1053, 121706), (1209, 106002), (1359, 94302), (1521, 84258), (1674, 76557), (1963, 65286), (2106, 60853), (2418, 53001), (2511, 51038), (2718, 47151), (3042, 42129), (3627, 35334), (3926, 32643), (4077, 31434), (4563, 28086), (4681, 27378), (5022, 25519), (5239, 24462), (5889, 21762), (7254, 17667), (8154, 15717), (9126, 14043), (9362, 13689), (10478, 12231), (10881, 11778)]