28521248

素因数分解:

$2^5\times 7^1\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:985

約数の個数: 48

約数和(自身を含む): 64661184

約数和(自身を除く): 36139936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 157, 224, 314, 628, 811, 1099, 1256, 1622, 2198, 2512, 3244, 4396, 5024, 5677, 6488, 8792, 11354, 12976, 17584, 22708, 25952, 35168, 45416, 90832, 127327, 181664, 254654, 509308, 891289, 1018616, 1782578, 2037232, 3565156, 4074464, 7130312, 14260624, 28521248]

約数ペア:

[(1, 28521248), (2, 14260624), (4, 7130312), (7, 4074464), (8, 3565156), (14, 2037232), (16, 1782578), (28, 1018616), (32, 891289), (56, 509308), (112, 254654), (157, 181664), (224, 127327), (314, 90832), (628, 45416), (811, 35168), (1099, 25952), (1256, 22708), (1622, 17584), (2198, 12976), (2512, 11354), (3244, 8792), (4396, 6488), (5024, 5677)]