16391999

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 18500832

約数和(自身を除く): 2108833

約数列:

[1, 13, 37, 53, 481, 643, 689, 1961, 8359, 23791, 25493, 34079, 309283, 443027, 1260923, 16391999]

約数ペア:

[(1, 16391999), (13, 1260923), (37, 443027), (53, 309283), (481, 34079), (643, 25493), (689, 23791), (1961, 8359)]