31987571

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{9661}}^1$

素因数の和:9722

約数の個数: 16

約数和(自身を含む): 40812288

約数和(自身を除く): 8824717

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 9661, 67627, 106271, 415423, 743897, 2907961, 4569653, 31987571]

約数ペア:

[(1, 31987571), (7, 4569653), (11, 2907961), (43, 743897), (77, 415423), (301, 106271), (473, 67627), (3311, 9661)]