3988778528

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1\times {\mathrm{461}}^1$

素因数の和:623

約数の個数: 144

約数和(自身を含む): 9581229504

約数和(自身を除く): 5592450976

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 107, 112, 133, 152, 214, 224, 266, 304, 361, 428, 461, 532, 608, 722, 749, 856, 922, 1064, 1444, 1498, 1712, 1844, 2033, 2128, 2527, 2888, 2996, 3227, 3424, 3688, 4066, 4256, 5054, 5776, 5992, 6454, 7376, 8132, 8759, 10108, 11552, 11984, 12908, 14231, 14752, 16264, 17518, 20216, 23968, 25816, 28462, 32528, 35036, 38627, 40432, 49327, 51632, 56924, 61313, 65056, 70072, 77254, 80864, 98654, 103264, 113848, 122626, 140144, 154508, 166421, 197308, 227696, 245252, 270389, 280288, 309016, 332842, 345289, 394616, 455392, 490504, 540778, 618032, 665684, 690578, 789232, 937213, 981008, 1081556, 1164947, 1236064, 1331368, 1381156, 1578464, 1874426, 1962016, 2163112, 2329894, 2662736, 2762312, 3748852, 4326224, 4659788, 5325472, 5524624, 6560491, 7497704, 8652448, 9319576, 11049248, 13120982, 14995408, 17807047, 18639152, 26241964, 29990816, 35614094, 37278304, 52483928, 71228188, 104967856, 124649329, 142456376, 209935712, 249298658, 284912752, 498597316, 569825504, 997194632, 1994389264, 3988778528]

約数ペア:

[(1, 3988778528), (2, 1994389264), (4, 997194632), (7, 569825504), (8, 498597316), (14, 284912752), (16, 249298658), (19, 209935712), (28, 142456376), (32, 124649329), (38, 104967856), (56, 71228188), (76, 52483928), (107, 37278304), (112, 35614094), (133, 29990816), (152, 26241964), (214, 18639152), (224, 17807047), (266, 14995408), (304, 13120982), (361, 11049248), (428, 9319576), (461, 8652448), (532, 7497704), (608, 6560491), (722, 5524624), (749, 5325472), (856, 4659788), (922, 4326224), (1064, 3748852), (1444, 2762312), (1498, 2662736), (1712, 2329894), (1844, 2163112), (2033, 1962016), (2128, 1874426), (2527, 1578464), (2888, 1381156), (2996, 1331368), (3227, 1236064), (3424, 1164947), (3688, 1081556), (4066, 981008), (4256, 937213), (5054, 789232), (5776, 690578), (5992, 665684), (6454, 618032), (7376, 540778), (8132, 490504), (8759, 455392), (10108, 394616), (11552, 345289), (11984, 332842), (12908, 309016), (14231, 280288), (14752, 270389), (16264, 245252), (17518, 227696), (20216, 197308), (23968, 166421), (25816, 154508), (28462, 140144), (32528, 122626), (35036, 113848), (38627, 103264), (40432, 98654), (49327, 80864), (51632, 77254), (56924, 70072), (61313, 65056)]