2605972

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 4743200

約数和(自身を除く): 2137228

約数列:

[1, 2, 4, 43, 86, 109, 139, 172, 218, 278, 436, 556, 4687, 5977, 9374, 11954, 15151, 18748, 23908, 30302, 60604, 651493, 1302986, 2605972]

約数ペア:

[(1, 2605972), (2, 1302986), (4, 651493), (43, 60604), (86, 30302), (109, 23908), (139, 18748), (172, 15151), (218, 11954), (278, 9374), (436, 5977), (556, 4687)]