31686984

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1144

約数の個数: 128

約数和(自身を含む): 105984000

約数和(自身を除く): 74297016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 54, 56, 57, 63, 72, 76, 84, 108, 114, 126, 133, 152, 168, 171, 189, 216, 228, 252, 266, 342, 378, 399, 456, 504, 513, 532, 684, 756, 798, 1026, 1064, 1103, 1197, 1368, 1512, 1596, 2052, 2206, 2394, 3192, 3309, 3591, 4104, 4412, 4788, 6618, 7182, 7721, 8824, 9576, 9927, 13236, 14364, 15442, 19854, 20957, 23163, 26472, 28728, 29781, 30884, 39708, 41914, 46326, 59562, 61768, 62871, 69489, 79416, 83828, 92652, 119124, 125742, 138978, 146699, 167656, 185304, 188613, 208467, 238248, 251484, 277956, 293398, 377226, 416934, 440097, 502968, 555912, 565839, 586796, 754452, 833868, 880194, 1131678, 1173592, 1320291, 1508904, 1667736, 1760388, 2263356, 2640582, 3520776, 3960873, 4526712, 5281164, 7921746, 10562328, 15843492, 31686984]

約数ペア:

[(1, 31686984), (2, 15843492), (3, 10562328), (4, 7921746), (6, 5281164), (7, 4526712), (8, 3960873), (9, 3520776), (12, 2640582), (14, 2263356), (18, 1760388), (19, 1667736), (21, 1508904), (24, 1320291), (27, 1173592), (28, 1131678), (36, 880194), (38, 833868), (42, 754452), (54, 586796), (56, 565839), (57, 555912), (63, 502968), (72, 440097), (76, 416934), (84, 377226), (108, 293398), (114, 277956), (126, 251484), (133, 238248), (152, 208467), (168, 188613), (171, 185304), (189, 167656), (216, 146699), (228, 138978), (252, 125742), (266, 119124), (342, 92652), (378, 83828), (399, 79416), (456, 69489), (504, 62871), (513, 61768), (532, 59562), (684, 46326), (756, 41914), (798, 39708), (1026, 30884), (1064, 29781), (1103, 28728), (1197, 26472), (1368, 23163), (1512, 20957), (1596, 19854), (2052, 15442), (2206, 14364), (2394, 13236), (3192, 9927), (3309, 9576), (3591, 8824), (4104, 7721), (4412, 7182), (4788, 6618)]