28471968

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:539

約数の個数: 144

約数和(自身を含む): 95921280

約数和(自身を除く): 67449312

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 32, 36, 42, 48, 56, 58, 63, 72, 84, 87, 96, 112, 116, 126, 144, 168, 174, 203, 224, 232, 252, 261, 288, 336, 348, 406, 464, 487, 504, 522, 609, 672, 696, 812, 928, 974, 1008, 1044, 1218, 1392, 1461, 1624, 1827, 1948, 2016, 2088, 2436, 2784, 2922, 3248, 3409, 3654, 3896, 4176, 4383, 4872, 5844, 6496, 6818, 7308, 7792, 8352, 8766, 9744, 10227, 11688, 13636, 14123, 14616, 15584, 17532, 19488, 20454, 23376, 27272, 28246, 29232, 30681, 35064, 40908, 42369, 46752, 54544, 56492, 58464, 61362, 70128, 81816, 84738, 98861, 109088, 112984, 122724, 127107, 140256, 163632, 169476, 197722, 225968, 245448, 254214, 296583, 327264, 338952, 395444, 451936, 490896, 508428, 593166, 677904, 790888, 889749, 981792, 1016856, 1186332, 1355808, 1581776, 1779498, 2033712, 2372664, 3163552, 3558996, 4067424, 4745328, 7117992, 9490656, 14235984, 28471968]

約数ペア:

[(1, 28471968), (2, 14235984), (3, 9490656), (4, 7117992), (6, 4745328), (7, 4067424), (8, 3558996), (9, 3163552), (12, 2372664), (14, 2033712), (16, 1779498), (18, 1581776), (21, 1355808), (24, 1186332), (28, 1016856), (29, 981792), (32, 889749), (36, 790888), (42, 677904), (48, 593166), (56, 508428), (58, 490896), (63, 451936), (72, 395444), (84, 338952), (87, 327264), (96, 296583), (112, 254214), (116, 245448), (126, 225968), (144, 197722), (168, 169476), (174, 163632), (203, 140256), (224, 127107), (232, 122724), (252, 112984), (261, 109088), (288, 98861), (336, 84738), (348, 81816), (406, 70128), (464, 61362), (487, 58464), (504, 56492), (522, 54544), (609, 46752), (672, 42369), (696, 40908), (812, 35064), (928, 30681), (974, 29232), (1008, 28246), (1044, 27272), (1218, 23376), (1392, 20454), (1461, 19488), (1624, 17532), (1827, 15584), (1948, 14616), (2016, 14123), (2088, 13636), (2436, 11688), (2784, 10227), (2922, 9744), (3248, 8766), (3409, 8352), (3654, 7792), (3896, 7308), (4176, 6818), (4383, 6496), (4872, 5844)]