890228612

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{78893}}^1$

素因数の和:78948

約数の個数: 48

約数和(自身を含む): 1979292672

約数和(自身を除く): 1089064060

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 78893, 157786, 315572, 552251, 1025609, 1104502, 2051218, 2209004, 2445683, 4102436, 4891366, 7179263, 9782732, 14358526, 17119781, 28717052, 31793879, 34239562, 63587758, 68479124, 127175516, 222557153, 445114306, 890228612]

約数ペア:

[(1, 890228612), (2, 445114306), (4, 222557153), (7, 127175516), (13, 68479124), (14, 63587758), (26, 34239562), (28, 31793879), (31, 28717052), (52, 17119781), (62, 14358526), (91, 9782732), (124, 7179263), (182, 4891366), (217, 4102436), (364, 2445683), (403, 2209004), (434, 2051218), (806, 1104502), (868, 1025609), (1612, 552251), (2821, 315572), (5642, 157786), (11284, 78893)]