201820801

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{51577}}^1$

素因数の和:51640

約数の個数: 16

約数和(自身を含む): 254176384

約数和(自身を除く): 52355583

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 51577, 361039, 670501, 2217811, 4693507, 15524677, 28831543, 201820801]

約数ペア:

[(1, 201820801), (7, 28831543), (13, 15524677), (43, 4693507), (91, 2217811), (301, 670501), (559, 361039), (3913, 51577)]