221427376

素因数分解:

$2^4\times {\mathrm{1109}}^1\times {\mathrm{12479}}^1$

素因数の和:13596

約数の個数: 20

約数和(自身を含む): 429436800

約数和(自身を除く): 208009424

約数列:

[1, 2, 4, 8, 16, 1109, 2218, 4436, 8872, 12479, 17744, 24958, 49916, 99832, 199664, 13839211, 27678422, 55356844, 110713688, 221427376]

約数ペア:

[(1, 221427376), (2, 110713688), (4, 55356844), (8, 27678422), (16, 13839211), (1109, 199664), (2218, 99832), (4436, 49916), (8872, 24958), (12479, 17744)]