81273328

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{298799}}^1$

素因数の和:298824

約数の個数: 20

約数和(自身を含む): 166730400

約数和(自身を除く): 85457072

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 298799, 597598, 1195196, 2390392, 4780784, 5079583, 10159166, 20318332, 40636664, 81273328]

約数ペア:

[(1, 81273328), (2, 40636664), (4, 20318332), (8, 10159166), (16, 5079583), (17, 4780784), (34, 2390392), (68, 1195196), (136, 597598), (272, 298799)]