87411215

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1\times {\mathrm{839}}^1$

素因数の和:1222

約数の個数: 16

約数和(自身を含む): 106928640

約数和(自身を除く): 19517425

約数列:

[1, 5, 67, 311, 335, 839, 1555, 4195, 20837, 56213, 104185, 260929, 281065, 1304645, 17482243, 87411215]

約数ペア:

[(1, 87411215), (5, 17482243), (67, 1304645), (311, 281065), (335, 260929), (839, 104185), (1555, 56213), (4195, 20837)]