2153666

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:329

約数の個数: 16

約数和(自身を含む): 3333120

約数和(自身を除く): 1179454

約数列:

[1, 2, 61, 122, 127, 139, 254, 278, 7747, 8479, 15494, 16958, 17653, 35306, 1076833, 2153666]

約数ペア:

[(1, 2153666), (2, 1076833), (61, 35306), (122, 17653), (127, 16958), (139, 15494), (254, 8479), (278, 7747)]