208728828

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:413

約数の個数: 216

約数和(自身を含む): 693149184

約数和(自身を除く): 484420356

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 31, 33, 36, 42, 44, 49, 62, 63, 66, 77, 84, 93, 98, 99, 124, 126, 132, 147, 154, 186, 196, 198, 217, 231, 252, 279, 294, 308, 341, 347, 372, 396, 434, 441, 462, 539, 558, 588, 651, 682, 693, 694, 868, 882, 924, 1023, 1041, 1078, 1116, 1302, 1364, 1386, 1388, 1519, 1617, 1764, 1953, 2046, 2082, 2156, 2387, 2429, 2604, 2772, 3038, 3069, 3123, 3234, 3817, 3906, 4092, 4164, 4557, 4774, 4851, 4858, 6076, 6138, 6246, 6468, 7161, 7287, 7634, 7812, 9114, 9548, 9702, 9716, 10757, 11451, 12276, 12492, 13671, 14322, 14574, 15268, 16709, 17003, 18228, 19404, 21483, 21514, 21861, 22902, 26719, 27342, 28644, 29148, 32271, 33418, 34006, 34353, 42966, 43028, 43722, 45804, 50127, 51009, 53438, 54684, 64542, 66836, 68012, 68706, 75299, 80157, 85932, 87444, 96813, 100254, 102018, 106876, 118327, 129084, 137412, 150381, 150598, 153027, 160314, 187033, 193626, 200508, 204036, 225897, 236654, 240471, 300762, 301196, 306054, 320628, 354981, 374066, 387252, 451794, 473308, 480942, 527093, 561099, 601524, 612108, 677691, 709962, 748132, 828289, 903588, 961884, 1054186, 1064943, 1122198, 1355382, 1419924, 1581279, 1656578, 1683297, 2108372, 2129886, 2244396, 2484867, 2710764, 3162558, 3313156, 3366594, 4259772, 4743837, 4969734, 5798023, 6325116, 6733188, 7454601, 9487674, 9939468, 11596046, 14909202, 17394069, 18975348, 23192092, 29818404, 34788138, 52182207, 69576276, 104364414, 208728828]

約数ペア:

[(1, 208728828), (2, 104364414), (3, 69576276), (4, 52182207), (6, 34788138), (7, 29818404), (9, 23192092), (11, 18975348), (12, 17394069), (14, 14909202), (18, 11596046), (21, 9939468), (22, 9487674), (28, 7454601), (31, 6733188), (33, 6325116), (36, 5798023), (42, 4969734), (44, 4743837), (49, 4259772), (62, 3366594), (63, 3313156), (66, 3162558), (77, 2710764), (84, 2484867), (93, 2244396), (98, 2129886), (99, 2108372), (124, 1683297), (126, 1656578), (132, 1581279), (147, 1419924), (154, 1355382), (186, 1122198), (196, 1064943), (198, 1054186), (217, 961884), (231, 903588), (252, 828289), (279, 748132), (294, 709962), (308, 677691), (341, 612108), (347, 601524), (372, 561099), (396, 527093), (434, 480942), (441, 473308), (462, 451794), (539, 387252), (558, 374066), (588, 354981), (651, 320628), (682, 306054), (693, 301196), (694, 300762), (868, 240471), (882, 236654), (924, 225897), (1023, 204036), (1041, 200508), (1078, 193626), (1116, 187033), (1302, 160314), (1364, 153027), (1386, 150598), (1388, 150381), (1519, 137412), (1617, 129084), (1764, 118327), (1953, 106876), (2046, 102018), (2082, 100254), (2156, 96813), (2387, 87444), (2429, 85932), (2604, 80157), (2772, 75299), (3038, 68706), (3069, 68012), (3123, 66836), (3234, 64542), (3817, 54684), (3906, 53438), (4092, 51009), (4164, 50127), (4557, 45804), (4774, 43722), (4851, 43028), (4858, 42966), (6076, 34353), (6138, 34006), (6246, 33418), (6468, 32271), (7161, 29148), (7287, 28644), (7634, 27342), (7812, 26719), (9114, 22902), (9548, 21861), (9702, 21514), (9716, 21483), (10757, 19404), (11451, 18228), (12276, 17003), (12492, 16709), (13671, 15268), (14322, 14574)]