87477265

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{1621}}^1$

素因数の和:1920

約数の個数: 16

約数和(自身を含む): 107908416

約数和(自身を除く): 20431151

約数列:

[1, 5, 43, 215, 251, 1255, 1621, 8105, 10793, 53965, 69703, 348515, 406871, 2034355, 17495453, 87477265]

約数ペア:

[(1, 87477265), (5, 17495453), (43, 2034355), (215, 406871), (251, 348515), (1255, 69703), (1621, 53965), (8105, 10793)]