221379554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{437509}}^1$

素因数の和:437545

約数の個数: 16

約数和(自身を含む): 378008640

約数和(自身を除く): 156629086

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 437509, 875018, 4812599, 9625198, 10062707, 20125414, 110689777, 221379554]

約数ペア:

[(1, 221379554), (2, 110689777), (11, 20125414), (22, 10062707), (23, 9625198), (46, 4812599), (253, 875018), (506, 437509)]