157077422

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1\times {\mathrm{1999}}^1$

素因数の和:2491

約数の個数: 16

約数和(自身を含む): 238680000

約数和(自身を除く): 81602578

約数列:

[1, 2, 101, 202, 389, 778, 1999, 3998, 39289, 78578, 201899, 403798, 777611, 1555222, 78538711, 157077422]

約数ペア:

[(1, 157077422), (2, 78538711), (101, 1555222), (202, 777611), (389, 403798), (778, 201899), (1999, 78578), (3998, 39289)]