128279785

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{1297}}^1$

素因数の和:1584

約数の個数: 16

約数和(自身を含む): 156258432

約数和(自身を除く): 27978647

約数列:

[1, 5, 131, 151, 655, 755, 1297, 6485, 19781, 98905, 169907, 195847, 849535, 979235, 25655957, 128279785]

約数ペア:

[(1, 128279785), (5, 25655957), (131, 979235), (151, 849535), (655, 195847), (755, 169907), (1297, 98905), (6485, 19781)]