12641005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{443}}^1$

素因数の和:900

約数の個数: 16

約数和(自身を含む): 16410240

約数和(自身を除く): 3769235

約数列:

[1, 5, 13, 65, 439, 443, 2195, 2215, 5707, 5759, 28535, 28795, 194477, 972385, 2528201, 12641005]

約数ペア:

[(1, 12641005), (5, 2528201), (13, 972385), (65, 194477), (439, 28795), (443, 28535), (2195, 5759), (2215, 5707)]