28900144

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{863}}^1$

素因数の和:914

約数の個数: 80

約数和(自身を含む): 71995392

約数和(自身を除く): 43095248

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 46, 52, 56, 91, 92, 104, 112, 161, 182, 184, 208, 299, 322, 364, 368, 598, 644, 728, 863, 1196, 1288, 1456, 1726, 2093, 2392, 2576, 3452, 4186, 4784, 6041, 6904, 8372, 11219, 12082, 13808, 16744, 19849, 22438, 24164, 33488, 39698, 44876, 48328, 78533, 79396, 89752, 96656, 138943, 157066, 158792, 179504, 258037, 277886, 314132, 317584, 516074, 555772, 628264, 1032148, 1111544, 1256528, 1806259, 2064296, 2223088, 3612518, 4128592, 7225036, 14450072, 28900144]

約数ペア:

[(1, 28900144), (2, 14450072), (4, 7225036), (7, 4128592), (8, 3612518), (13, 2223088), (14, 2064296), (16, 1806259), (23, 1256528), (26, 1111544), (28, 1032148), (46, 628264), (52, 555772), (56, 516074), (91, 317584), (92, 314132), (104, 277886), (112, 258037), (161, 179504), (182, 158792), (184, 157066), (208, 138943), (299, 96656), (322, 89752), (364, 79396), (368, 78533), (598, 48328), (644, 44876), (728, 39698), (863, 33488), (1196, 24164), (1288, 22438), (1456, 19849), (1726, 16744), (2093, 13808), (2392, 12082), (2576, 11219), (3452, 8372), (4186, 6904), (4784, 6041)]