870865885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{238267}}^1$

素因数の和:238332

約数の個数: 16

約数和(自身を含む): 1132249536

約数和(自身を除く): 261383651

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 238267, 1191335, 4050539, 10245481, 20252695, 51227405, 174173177, 870865885]

約数ペア:

[(1, 870865885), (5, 174173177), (17, 51227405), (43, 20252695), (85, 10245481), (215, 4050539), (731, 1191335), (3655, 238267)]