156974005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{7727}}^1$

素因数の和:7988

約数の個数: 16

約数和(自身を含む): 200309760

約数和(自身を除く): 43335755

約数列:

[1, 5, 17, 85, 239, 1195, 4063, 7727, 20315, 38635, 131359, 656795, 1846753, 9233765, 31394801, 156974005]

約数ペア:

[(1, 156974005), (5, 31394801), (17, 9233765), (85, 1846753), (239, 656795), (1195, 131359), (4063, 38635), (7727, 20315)]