12980654

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{881}}^1$

素因数の和:1075

約数の個数: 16

約数和(自身を含む): 20003760

約数和(自身を除く): 7023106

約数列:

[1, 2, 53, 106, 139, 278, 881, 1762, 7367, 14734, 46693, 93386, 122459, 244918, 6490327, 12980654]

約数ペア:

[(1, 12980654), (2, 6490327), (53, 244918), (106, 122459), (139, 93386), (278, 46693), (881, 14734), (1762, 7367)]