248910347

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{220861}}^1$

素因数の和:220898

約数の個数: 12

約数和(自身を含む): 302139216

約数和(自身を除く): 53228869

約数列:

[1, 7, 23, 49, 161, 1127, 220861, 1546027, 5079803, 10822189, 35558621, 248910347]

約数ペア:

[(1, 248910347), (7, 35558621), (23, 10822189), (49, 5079803), (161, 1546027), (1127, 220861)]