260813

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 16

約数和(自身を含む): 328320

約数和(自身を除く): 67507

約数列:

[1, 7, 19, 37, 53, 133, 259, 371, 703, 1007, 1961, 4921, 7049, 13727, 37259, 260813]

約数ペア:

[(1, 260813), (7, 37259), (19, 13727), (37, 7049), (53, 4921), (133, 1961), (259, 1007), (371, 703)]