216813311

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{223}}^1\times {\mathrm{523}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 257757696

約数和(自身を除く): 40944385

約数列:

[1, 11, 13, 143, 169, 223, 523, 1859, 2453, 2899, 5753, 6799, 31889, 37687, 74789, 88387, 116629, 414557, 972257, 1282919, 1516177, 16677947, 19710301, 216813311]

約数ペア:

[(1, 216813311), (11, 19710301), (13, 16677947), (143, 1516177), (169, 1282919), (223, 972257), (523, 414557), (1859, 116629), (2453, 88387), (2899, 74789), (5753, 37687), (6799, 31889)]