81669312

素因数分解:

$2^6\times 3^2\times {\mathrm{71}}^1\times {\mathrm{1997}}^1$

素因数の和:2086

約数の個数: 84

約数和(自身を含む): 237506256

約数和(自身を除く): 155836944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 71, 72, 96, 142, 144, 192, 213, 284, 288, 426, 568, 576, 639, 852, 1136, 1278, 1704, 1997, 2272, 2556, 3408, 3994, 4544, 5112, 5991, 6816, 7988, 10224, 11982, 13632, 15976, 17973, 20448, 23964, 31952, 35946, 40896, 47928, 63904, 71892, 95856, 127808, 141787, 143784, 191712, 283574, 287568, 383424, 425361, 567148, 575136, 850722, 1134296, 1150272, 1276083, 1701444, 2268592, 2552166, 3402888, 4537184, 5104332, 6805776, 9074368, 10208664, 13611552, 20417328, 27223104, 40834656, 81669312]

約数ペア:

[(1, 81669312), (2, 40834656), (3, 27223104), (4, 20417328), (6, 13611552), (8, 10208664), (9, 9074368), (12, 6805776), (16, 5104332), (18, 4537184), (24, 3402888), (32, 2552166), (36, 2268592), (48, 1701444), (64, 1276083), (71, 1150272), (72, 1134296), (96, 850722), (142, 575136), (144, 567148), (192, 425361), (213, 383424), (284, 287568), (288, 283574), (426, 191712), (568, 143784), (576, 141787), (639, 127808), (852, 95856), (1136, 71892), (1278, 63904), (1704, 47928), (1997, 40896), (2272, 35946), (2556, 31952), (3408, 23964), (3994, 20448), (4544, 17973), (5112, 15976), (5991, 13632), (6816, 11982), (7988, 10224)]