81517471

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1\times {\mathrm{647}}^1$

素因数の和:1134

約数の個数: 16

約数和(自身を含む): 95800320

約数和(自身を除く): 14282849

約数列:

[1, 7, 41, 287, 439, 647, 3073, 4529, 17999, 26527, 125993, 185689, 284033, 1988231, 11645353, 81517471]

約数ペア:

[(1, 81517471), (7, 11645353), (41, 1988231), (287, 284033), (439, 185689), (647, 125993), (3073, 26527), (4529, 17999)]