221449543

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{4339}}^1$

素因数の和:4686

約数の個数: 16

約数和(自身を含む): 264983040

約数和(自身を除く): 43533497

約数列:

[1, 7, 23, 161, 317, 2219, 4339, 7291, 30373, 51037, 99797, 698579, 1375463, 9628241, 31635649, 221449543]

約数ペア:

[(1, 221449543), (7, 31635649), (23, 9628241), (161, 1375463), (317, 698579), (2219, 99797), (4339, 51037), (7291, 30373)]