71885723

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18371}}^1$

素因数の和:18434

約数の個数: 16

約数和(自身を含む): 90537216

約数和(自身を除く): 18651493

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 18371, 128597, 238823, 789953, 1671761, 5529671, 10269389, 71885723]

約数ペア:

[(1, 71885723), (7, 10269389), (13, 5529671), (43, 1671761), (91, 789953), (301, 238823), (559, 128597), (3913, 18371)]