1640248568

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{14143}}^1$

素因数の和:14284

約数の個数: 64

約数和(自身を含む): 3734016000

約数和(自身を除く): 2093767432

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 109, 133, 152, 218, 266, 436, 532, 763, 872, 1064, 1526, 2071, 3052, 4142, 6104, 8284, 14143, 14497, 16568, 28286, 28994, 56572, 57988, 99001, 113144, 115976, 198002, 268717, 396004, 537434, 792008, 1074868, 1541587, 1881019, 2149736, 3083174, 3762038, 6166348, 7524076, 10791109, 12332696, 15048152, 21582218, 29290153, 43164436, 58580306, 86328872, 117160612, 205031071, 234321224, 410062142, 820124284, 1640248568]

約数ペア:

[(1, 1640248568), (2, 820124284), (4, 410062142), (7, 234321224), (8, 205031071), (14, 117160612), (19, 86328872), (28, 58580306), (38, 43164436), (56, 29290153), (76, 21582218), (109, 15048152), (133, 12332696), (152, 10791109), (218, 7524076), (266, 6166348), (436, 3762038), (532, 3083174), (763, 2149736), (872, 1881019), (1064, 1541587), (1526, 1074868), (2071, 792008), (3052, 537434), (4142, 396004), (6104, 268717), (8284, 198002), (14143, 115976), (14497, 113144), (16568, 99001), (28286, 57988), (28994, 56572)]