28041986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2243}}^1$

素因数の和:2318

約数の個数: 32

約数和(自身を含む): 51701760

約数和(自身を除く): 23659774

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 266, 329, 658, 893, 1786, 2243, 4486, 6251, 12502, 15701, 31402, 42617, 85234, 105421, 210842, 298319, 596638, 737947, 1475894, 2002999, 4005998, 14020993, 28041986]

約数ペア:

[(1, 28041986), (2, 14020993), (7, 4005998), (14, 2002999), (19, 1475894), (38, 737947), (47, 596638), (94, 298319), (133, 210842), (266, 105421), (329, 85234), (658, 42617), (893, 31402), (1786, 15701), (2243, 12502), (4486, 6251)]