81267344

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{298777}}^1$

素因数の和:298802

約数の個数: 20

約数和(自身を含む): 166718124

約数和(自身を除く): 85450780

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 298777, 597554, 1195108, 2390216, 4780432, 5079209, 10158418, 20316836, 40633672, 81267344]

約数ペア:

[(1, 81267344), (2, 40633672), (4, 20316836), (8, 10158418), (16, 5079209), (17, 4780432), (34, 2390216), (68, 1195108), (136, 597554), (272, 298777)]