13987888

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{21323}}^1$

素因数の和:21372

約数の個数: 20

約数和(自身を含む): 27763848

約数和(自身を除く): 13775960

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 21323, 42646, 85292, 170584, 341168, 874243, 1748486, 3496972, 6993944, 13987888]

約数ペア:

[(1, 13987888), (2, 6993944), (4, 3496972), (8, 1748486), (16, 874243), (41, 341168), (82, 170584), (164, 85292), (328, 42646), (656, 21323)]