22278421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{509}}^1$

素因数の和:716

約数の個数: 16

約数和(自身を含む): 25557120

約数和(自身を除く): 3278699

約数列:

[1, 11, 23, 173, 253, 509, 1903, 3979, 5599, 11707, 43769, 88057, 128777, 968627, 2025311, 22278421]

約数ペア:

[(1, 22278421), (11, 2025311), (23, 968627), (173, 128777), (253, 88057), (509, 43769), (1903, 11707), (3979, 5599)]