71971207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21737}}^1$

素因数の和:21798

約数の個数: 16

約数和(自身を含む): 91821312

約数和(自身を除く): 19850105

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 21737, 152159, 239107, 934691, 1673749, 6542837, 10281601, 71971207]

約数ペア:

[(1, 71971207), (7, 10281601), (11, 6542837), (43, 1673749), (77, 934691), (301, 239107), (473, 152159), (3311, 21737)]