203997366979

素因数分解:

$7^2\times {\mathrm{131}}^1\times {\mathrm{31780241}}^1$

素因数の和:31780386

約数の個数: 12

約数和(自身を含む): 239114540808

約数和(自身を除く): 35117173829

約数列:

[1, 7, 49, 131, 917, 6419, 31780241, 222461687, 1557231809, 4163211571, 29142480997, 203997366979]

約数ペア:

[(1, 203997366979), (7, 29142480997), (49, 4163211571), (131, 1557231809), (917, 222461687), (6419, 31780241)]