1780230146

素因数分解:

$2^1\times {\mathrm{2213}}^1\times {\mathrm{402221}}^1$

素因数の和:404436

約数の個数: 8

約数和(自身を含む): 2671558524

約数和(自身を除く): 891328378

約数列:

[1, 2, 2213, 4426, 402221, 804442, 890115073, 1780230146]

約数ペア:

[(1, 1780230146), (2, 890115073), (2213, 804442), (4426, 402221)]