71223019

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{63197}}^1$

素因数の和:63234

約数の個数: 12

約数和(自身を含む): 86454864

約数和(自身を除く): 15231845

約数列:

[1, 7, 23, 49, 161, 1127, 63197, 442379, 1453531, 3096653, 10174717, 71223019]

約数ペア:

[(1, 71223019), (7, 10174717), (23, 3096653), (49, 1453531), (161, 442379), (1127, 63197)]