15981328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{90803}}^1$

素因数の和:90822

約数の個数: 20

約数和(自身を含む): 33779088

約数和(自身を除く): 17797760

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 90803, 181606, 363212, 726424, 998833, 1452848, 1997666, 3995332, 7990664, 15981328]

約数ペア:

[(1, 15981328), (2, 7990664), (4, 3995332), (8, 1997666), (11, 1452848), (16, 998833), (22, 726424), (44, 363212), (88, 181606), (176, 90803)]