81706148

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{541}}^1\times {\mathrm{2221}}^1$

素因数の和:2783

約数の個数: 24

約数和(自身を含む): 151744824

約数和(自身を除く): 70038676

約数列:

[1, 2, 4, 17, 34, 68, 541, 1082, 2164, 2221, 4442, 8884, 9197, 18394, 36788, 37757, 75514, 151028, 1201561, 2403122, 4806244, 20426537, 40853074, 81706148]

約数ペア:

[(1, 81706148), (2, 40853074), (4, 20426537), (17, 4806244), (34, 2403122), (68, 1201561), (541, 151028), (1082, 75514), (2164, 37757), (2221, 36788), (4442, 18394), (8884, 9197)]