28917259

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{5303}}^1$

素因数の和:5370

約数の個数: 16

約数和(自身を含む): 35642880

約数和(自身を除く): 6725621

約数列:

[1, 7, 19, 41, 133, 287, 779, 5303, 5453, 37121, 100757, 217423, 705299, 1521961, 4131037, 28917259]

約数ペア:

[(1, 28917259), (7, 4131037), (19, 1521961), (41, 705299), (133, 217423), (287, 100757), (779, 37121), (5303, 5453)]