28301448

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 86457600

約数和(自身を除く): 58156152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 37, 42, 56, 58, 74, 84, 87, 111, 116, 148, 157, 168, 174, 203, 222, 232, 259, 296, 314, 348, 406, 444, 471, 518, 609, 628, 696, 777, 812, 888, 942, 1036, 1073, 1099, 1218, 1256, 1554, 1624, 1884, 2072, 2146, 2198, 2436, 3108, 3219, 3297, 3768, 4292, 4396, 4553, 4872, 5809, 6216, 6438, 6594, 7511, 8584, 8792, 9106, 11618, 12876, 13188, 13659, 15022, 17427, 18212, 22533, 23236, 25752, 26376, 27318, 30044, 31871, 34854, 36424, 40663, 45066, 46472, 54636, 60088, 63742, 69708, 81326, 90132, 95613, 109272, 121989, 127484, 139416, 162652, 168461, 180264, 191226, 243978, 254968, 325304, 336922, 382452, 487956, 505383, 673844, 764904, 975912, 1010766, 1179227, 1347688, 2021532, 2358454, 3537681, 4043064, 4716908, 7075362, 9433816, 14150724, 28301448]

約数ペア:

[(1, 28301448), (2, 14150724), (3, 9433816), (4, 7075362), (6, 4716908), (7, 4043064), (8, 3537681), (12, 2358454), (14, 2021532), (21, 1347688), (24, 1179227), (28, 1010766), (29, 975912), (37, 764904), (42, 673844), (56, 505383), (58, 487956), (74, 382452), (84, 336922), (87, 325304), (111, 254968), (116, 243978), (148, 191226), (157, 180264), (168, 168461), (174, 162652), (203, 139416), (222, 127484), (232, 121989), (259, 109272), (296, 95613), (314, 90132), (348, 81326), (406, 69708), (444, 63742), (471, 60088), (518, 54636), (609, 46472), (628, 45066), (696, 40663), (777, 36424), (812, 34854), (888, 31871), (942, 30044), (1036, 27318), (1073, 26376), (1099, 25752), (1218, 23236), (1256, 22533), (1554, 18212), (1624, 17427), (1884, 15022), (2072, 13659), (2146, 13188), (2198, 12876), (2436, 11618), (3108, 9106), (3219, 8792), (3297, 8584), (3768, 7511), (4292, 6594), (4396, 6438), (4553, 6216), (4872, 5809)]