81276848

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{220861}}^1$

素因数の和:220892

約数の個数: 20

約数和(自身を含む): 164321328

約数和(自身を除く): 83044480

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 220861, 441722, 883444, 1766888, 3533776, 5079803, 10159606, 20319212, 40638424, 81276848]

約数ペア:

[(1, 81276848), (2, 40638424), (4, 20319212), (8, 10159606), (16, 5079803), (23, 3533776), (46, 1766888), (92, 883444), (184, 441722), (368, 220861)]