199912.00000000

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1\times {\mathrm{607}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 30818304

約数和(自身を除く): 8308923

約数列:

[1, 3, 47, 141, 263, 607, 789, 1821, 12361, 28529, 37083, 85587, 159641, 478923, 7503127, 22509381]

約数ペア:

[(1, 22509381), (3, 7503127), (47, 478923), (141, 159641), (263, 85587), (607, 37083), (789, 28529), (1821, 12361)]