1640781656

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{2399}}^1$

素因数の和:2576

約数の個数: 64

約数和(自身を含む): 3359232000

約数和(自身を除く): 1718450344

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 107, 136, 188, 214, 376, 428, 799, 856, 1598, 1819, 2399, 3196, 3638, 4798, 5029, 6392, 7276, 9596, 10058, 14552, 19192, 20116, 40232, 40783, 81566, 85493, 112753, 163132, 170986, 225506, 256693, 326264, 341972, 451012, 513386, 683944, 902024, 1026772, 1916801, 2053544, 3833602, 4363781, 7667204, 8727562, 12064571, 15334408, 17455124, 24129142, 34910248, 48258284, 96516568, 205097707, 410195414, 820390828, 1640781656]

約数ペア:

[(1, 1640781656), (2, 820390828), (4, 410195414), (8, 205097707), (17, 96516568), (34, 48258284), (47, 34910248), (68, 24129142), (94, 17455124), (107, 15334408), (136, 12064571), (188, 8727562), (214, 7667204), (376, 4363781), (428, 3833602), (799, 2053544), (856, 1916801), (1598, 1026772), (1819, 902024), (2399, 683944), (3196, 513386), (3638, 451012), (4798, 341972), (5029, 326264), (6392, 256693), (7276, 225506), (9596, 170986), (10058, 163132), (14552, 112753), (19192, 85493), (20116, 81566), (40232, 40783)]