256291

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:114

約数の個数: 16

約数和(自身を含む): 322560

約数和(自身を除く): 66269

約数列:

[1, 7, 19, 41, 47, 133, 287, 329, 779, 893, 1927, 5453, 6251, 13489, 36613, 256291]

約数ペア:

[(1, 256291), (7, 36613), (19, 13489), (41, 6251), (47, 5453), (133, 1927), (287, 893), (329, 779)]