81798628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{2791}}^1$

素因数の和:3243

約数の個数: 24

約数和(自身を含む): 151974144

約数和(自身を除く): 70175516

約数列:

[1, 2, 4, 17, 34, 68, 431, 862, 1724, 2791, 5582, 7327, 11164, 14654, 29308, 47447, 94894, 189788, 1202921, 2405842, 4811684, 20449657, 40899314, 81798628]

約数ペア:

[(1, 81798628), (2, 40899314), (4, 20449657), (17, 4811684), (34, 2405842), (68, 1202921), (431, 189788), (862, 94894), (1724, 47447), (2791, 29308), (5582, 14654), (7327, 11164)]