81685535

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 103919760

約数和(自身を除く): 22234225

約数列:

[1, 5, 23, 89, 115, 347, 445, 529, 1735, 2047, 2645, 7981, 10235, 30883, 39905, 47081, 154415, 183563, 235405, 710309, 917815, 3551545, 16337107, 81685535]

約数ペア:

[(1, 81685535), (5, 16337107), (23, 3551545), (89, 917815), (115, 710309), (347, 235405), (445, 183563), (529, 154415), (1735, 47081), (2047, 39905), (2645, 30883), (7981, 10235)]