22016215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7877}}^1$

素因数の和:7938

約数の個数: 16

約数和(自身を含む): 29117088

約数和(自身を除く): 7100873

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 7877, 39385, 102401, 338711, 512005, 1693555, 4403243, 22016215]

約数ペア:

[(1, 22016215), (5, 4403243), (13, 1693555), (43, 512005), (65, 338711), (215, 102401), (559, 39385), (2795, 7877)]