81103724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{12281}}^1$

素因数の和:12425

約数の個数: 24

約数和(自身を含む): 154065408

約数和(自身を除く): 72961684

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3302, 6604, 12281, 24562, 49124, 159653, 319306, 638612, 1559687, 3119374, 6238748, 20275931, 40551862, 81103724]

約数ペア:

[(1, 81103724), (2, 40551862), (4, 20275931), (13, 6238748), (26, 3119374), (52, 1559687), (127, 638612), (254, 319306), (508, 159653), (1651, 49124), (3302, 24562), (6604, 12281)]