199909801

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{30941}}^1$

素因数の和:31032

約数の個数: 16

約数和(自身を含む): 249516288

約数和(自身を除く): 49606487

約数列:

[1, 7, 13, 71, 91, 497, 923, 6461, 30941, 216587, 402233, 2196811, 2815631, 15377677, 28558543, 199909801]

約数ペア:

[(1, 199909801), (7, 28558543), (13, 15377677), (71, 2815631), (91, 2196811), (497, 402233), (923, 216587), (6461, 30941)]