1321291678

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:629

約数の個数: 64

約数和(自身を含む): 2402928000

約数和(自身を除く): 1081636322

約数列:

[1, 2, 7, 14, 29, 58, 73, 109, 146, 203, 218, 406, 409, 511, 763, 818, 1022, 1526, 2117, 2863, 3161, 4234, 5726, 6322, 7957, 11861, 14819, 15914, 22127, 23722, 29638, 29857, 44254, 44581, 55699, 59714, 83027, 89162, 111398, 166054, 208999, 230753, 312067, 417998, 461506, 624134, 865853, 1292849, 1615271, 1731706, 2585698, 3230542, 3254413, 6060971, 6508826, 9049943, 12121942, 18099886, 22780891, 45561782, 94377977, 188755954, 660645839, 1321291678]

約数ペア:

[(1, 1321291678), (2, 660645839), (7, 188755954), (14, 94377977), (29, 45561782), (58, 22780891), (73, 18099886), (109, 12121942), (146, 9049943), (203, 6508826), (218, 6060971), (406, 3254413), (409, 3230542), (511, 2585698), (763, 1731706), (818, 1615271), (1022, 1292849), (1526, 865853), (2117, 624134), (2863, 461506), (3161, 417998), (4234, 312067), (5726, 230753), (6322, 208999), (7957, 166054), (11861, 111398), (14819, 89162), (15914, 83027), (22127, 59714), (23722, 55699), (29638, 44581), (29857, 44254)]