221396758

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{437543}}^1$

素因数の和:437579

約数の個数: 16

約数和(自身を含む): 378038016

約数和(自身を除く): 156641258

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 437543, 875086, 4812973, 9625946, 10063489, 20126978, 110698379, 221396758]

約数ペア:

[(1, 221396758), (2, 110698379), (11, 20126978), (22, 10063489), (23, 9625946), (46, 4812973), (253, 875086), (506, 437543)]