1728639836

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2221}}^1$

素因数の和:2288

約数の個数: 108

約数和(自身を含む): 4053434616

約数和(自身を除く): 2324794780

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 133, 154, 196, 209, 266, 308, 361, 418, 532, 539, 722, 836, 931, 1078, 1444, 1463, 1862, 2156, 2221, 2527, 2926, 3724, 3971, 4442, 5054, 5852, 7942, 8884, 10108, 10241, 15547, 15884, 17689, 20482, 24431, 27797, 31094, 35378, 40964, 42199, 48862, 55594, 62188, 70756, 84398, 97724, 108829, 111188, 168796, 171017, 194579, 217658, 295393, 342034, 389158, 435316, 464189, 590786, 684068, 778316, 801781, 928378, 1181572, 1197119, 1603562, 1856756, 2067751, 2394238, 3207124, 3249323, 4135502, 4788476, 5612467, 6498646, 8271004, 8819591, 11224934, 12997292, 17639182, 22449868, 22745261, 35278364, 39287269, 45490522, 61737137, 78574538, 90981044, 123474274, 157149076, 246948548, 432159959, 864319918, 1728639836]

約数ペア:

[(1, 1728639836), (2, 864319918), (4, 432159959), (7, 246948548), (11, 157149076), (14, 123474274), (19, 90981044), (22, 78574538), (28, 61737137), (38, 45490522), (44, 39287269), (49, 35278364), (76, 22745261), (77, 22449868), (98, 17639182), (133, 12997292), (154, 11224934), (196, 8819591), (209, 8271004), (266, 6498646), (308, 5612467), (361, 4788476), (418, 4135502), (532, 3249323), (539, 3207124), (722, 2394238), (836, 2067751), (931, 1856756), (1078, 1603562), (1444, 1197119), (1463, 1181572), (1862, 928378), (2156, 801781), (2221, 778316), (2527, 684068), (2926, 590786), (3724, 464189), (3971, 435316), (4442, 389158), (5054, 342034), (5852, 295393), (7942, 217658), (8884, 194579), (10108, 171017), (10241, 168796), (15547, 111188), (15884, 108829), (17689, 97724), (20482, 84398), (24431, 70756), (27797, 62188), (31094, 55594), (35378, 48862), (40964, 42199)]