16992175

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:543

約数の個数: 24

約数和(自身を含む): 22498560

約数和(自身を除く): 5506385

約数列:

[1, 5, 19, 25, 83, 95, 415, 431, 475, 1577, 2075, 2155, 7885, 8189, 10775, 35773, 39425, 40945, 178865, 204725, 679687, 894325, 3398435, 16992175]

約数ペア:

[(1, 16992175), (5, 3398435), (19, 894325), (25, 679687), (83, 204725), (95, 178865), (415, 40945), (431, 39425), (475, 35773), (1577, 10775), (2075, 8189), (2155, 7885)]