1820402689

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{111949}}^1$

素因数の和:112080

約数の個数: 16

約数和(自身を含む): 2192428800

約数和(自身を除く): 372026111

約数列:

[1, 7, 23, 101, 161, 707, 2323, 16261, 111949, 783643, 2574827, 11306849, 18023789, 79147943, 260057527, 1820402689]

約数ペア:

[(1, 1820402689), (7, 260057527), (23, 79147943), (101, 18023789), (161, 11306849), (707, 2574827), (2323, 783643), (16261, 111949)]