81289223

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2113}}^1$

素因数の和:2234

約数の個数: 16

約数和(自身を含む): 90107136

約数和(自身を除く): 8817913

約数列:

[1, 17, 31, 73, 527, 1241, 2113, 2263, 35921, 38471, 65503, 154249, 1113551, 2622233, 4781719, 81289223]

約数ペア:

[(1, 81289223), (17, 4781719), (31, 2622233), (73, 1113551), (527, 154249), (1241, 65503), (2113, 38471), (2263, 35921)]