2005901891

素因数分解:

$7^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1\times {\mathrm{5737}}^1$

素因数の和:6194

約数の個数: 16

約数和(自身を含む): 2313561600

約数和(自身を除く): 307659709

約数列:

[1, 7, 199, 251, 1393, 1757, 5737, 40159, 49949, 349643, 1141663, 1439987, 7991641, 10079909, 286557413, 2005901891]

約数ペア:

[(1, 2005901891), (7, 286557413), (199, 10079909), (251, 7991641), (1393, 1439987), (1757, 1141663), (5737, 349643), (40159, 49949)]