28392756

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{443}}^1$

素因数の和:573

約数の個数: 72

約数和(自身を含む): 77948640

約数和(自身を除く): 49555884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 109, 147, 196, 218, 294, 327, 436, 443, 588, 654, 763, 886, 1308, 1329, 1526, 1772, 2289, 2658, 3052, 3101, 4578, 5316, 5341, 6202, 9156, 9303, 10682, 12404, 16023, 18606, 21364, 21707, 32046, 37212, 43414, 48287, 64092, 65121, 86828, 96574, 130242, 144861, 193148, 260484, 289722, 338009, 579444, 676018, 1014027, 1352036, 2028054, 2366063, 4056108, 4732126, 7098189, 9464252, 14196378, 28392756]

約数ペア:

[(1, 28392756), (2, 14196378), (3, 9464252), (4, 7098189), (6, 4732126), (7, 4056108), (12, 2366063), (14, 2028054), (21, 1352036), (28, 1014027), (42, 676018), (49, 579444), (84, 338009), (98, 289722), (109, 260484), (147, 193148), (196, 144861), (218, 130242), (294, 96574), (327, 86828), (436, 65121), (443, 64092), (588, 48287), (654, 43414), (763, 37212), (886, 32046), (1308, 21707), (1329, 21364), (1526, 18606), (1772, 16023), (2289, 12404), (2658, 10682), (3052, 9303), (3101, 9156), (4578, 6202), (5316, 5341)]