71340871

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^2$

素因数の和:259

約数の個数: 24

約数和(自身を含む): 87381504

約数和(自身を除く): 16040633

約数列:

[1, 7, 23, 71, 79, 161, 497, 553, 1633, 1817, 5609, 6241, 11431, 12719, 39263, 43687, 129007, 143543, 443111, 903049, 1004801, 3101777, 10191553, 71340871]

約数ペア:

[(1, 71340871), (7, 10191553), (23, 3101777), (71, 1004801), (79, 903049), (161, 443111), (497, 143543), (553, 129007), (1633, 43687), (1817, 39263), (5609, 12719), (6241, 11431)]