7981891

素因数分解:

${\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:494

約数の個数: 12

約数和(自身を含む): 8620560

約数和(自身を除く): 638669

約数列:

[1, 17, 71, 289, 389, 1207, 6613, 20519, 27619, 112421, 469523, 7981891]

約数ペア:

[(1, 7981891), (17, 469523), (71, 112421), (289, 27619), (389, 20519), (1207, 6613)]