221427254

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{13907}}^1$

素因数の和:14347

約数の個数: 16

約数和(自身を含む): 350481600

約数和(自身を除く): 129054346

約数列:

[1, 2, 19, 38, 419, 838, 7961, 13907, 15922, 27814, 264233, 528466, 5827033, 11654066, 110713627, 221427254]

約数ペア:

[(1, 221427254), (2, 110713627), (19, 11654066), (38, 5827033), (419, 528466), (838, 264233), (7961, 27814), (13907, 15922)]