81860605

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{8101}}^1$

素因数の和:8196

約数の個数: 16

約数和(自身を含む): 102668544

約数和(自身を除く): 20807939

約数列:

[1, 5, 43, 47, 215, 235, 2021, 8101, 10105, 40505, 348343, 380747, 1741715, 1903735, 16372121, 81860605]

約数ペア:

[(1, 81860605), (5, 16372121), (43, 1903735), (47, 1741715), (215, 380747), (235, 348343), (2021, 40505), (8101, 10105)]