28587438

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 77760000

約数和(自身を除く): 49172562

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 19, 22, 27, 33, 34, 38, 51, 54, 57, 66, 99, 102, 114, 149, 153, 171, 187, 198, 209, 297, 298, 306, 323, 342, 374, 418, 447, 459, 513, 561, 594, 627, 646, 894, 918, 969, 1026, 1122, 1254, 1341, 1639, 1683, 1881, 1938, 2533, 2682, 2831, 2907, 3278, 3366, 3553, 3762, 4023, 4917, 5049, 5066, 5643, 5662, 5814, 7106, 7599, 8046, 8493, 8721, 9834, 10098, 10659, 11286, 14751, 15198, 16986, 17442, 21318, 22797, 25479, 27863, 29502, 31141, 31977, 44253, 45594, 48127, 50958, 55726, 62282, 63954, 68391, 76437, 83589, 88506, 93423, 95931, 96254, 136782, 144381, 152874, 167178, 186846, 191862, 250767, 280269, 288762, 433143, 501534, 529397, 560538, 752301, 840807, 866286, 1058794, 1299429, 1504602, 1588191, 1681614, 2598858, 3176382, 4764573, 9529146, 14293719, 28587438]

約数ペア:

[(1, 28587438), (2, 14293719), (3, 9529146), (6, 4764573), (9, 3176382), (11, 2598858), (17, 1681614), (18, 1588191), (19, 1504602), (22, 1299429), (27, 1058794), (33, 866286), (34, 840807), (38, 752301), (51, 560538), (54, 529397), (57, 501534), (66, 433143), (99, 288762), (102, 280269), (114, 250767), (149, 191862), (153, 186846), (171, 167178), (187, 152874), (198, 144381), (209, 136782), (297, 96254), (298, 95931), (306, 93423), (323, 88506), (342, 83589), (374, 76437), (418, 68391), (447, 63954), (459, 62282), (513, 55726), (561, 50958), (594, 48127), (627, 45594), (646, 44253), (894, 31977), (918, 31141), (969, 29502), (1026, 27863), (1122, 25479), (1254, 22797), (1341, 21318), (1639, 17442), (1683, 16986), (1881, 15198), (1938, 14751), (2533, 11286), (2682, 10659), (2831, 10098), (2907, 9834), (3278, 8721), (3366, 8493), (3553, 8046), (3762, 7599), (4023, 7106), (4917, 5814), (5049, 5662), (5066, 5643)]