26991646

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{20113}}^1$

素因数の和:20187

約数の個数: 16

約数和(自身を含む): 44894448

約数和(自身を除く): 17902802

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 20113, 40226, 221243, 442486, 1226893, 2453786, 13495823, 26991646]

約数ペア:

[(1, 26991646), (2, 13495823), (11, 2453786), (22, 1226893), (61, 442486), (122, 221243), (671, 40226), (1342, 20113)]