86961265

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1\times {\mathrm{641}}^1$

素因数の和:1320

約数の個数: 16

約数和(自身を含む): 107116416

約数和(自身を除く): 20155151

約数列:

[1, 5, 43, 215, 631, 641, 3155, 3205, 27133, 27563, 135665, 137815, 404471, 2022355, 17392253, 86961265]

約数ペア:

[(1, 86961265), (5, 17392253), (43, 2022355), (215, 404471), (631, 137815), (641, 135665), (3155, 27563), (3205, 27133)]