211091713

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{4289}}^1$

素因数の和:4464

約数の個数: 16

約数和(自身を含む): 247104000

約数和(自身を除く): 36012287

約数列:

[1, 7, 79, 89, 553, 623, 4289, 7031, 30023, 49217, 338831, 381721, 2371817, 2672047, 30155959, 211091713]

約数ペア:

[(1, 211091713), (7, 30155959), (79, 2672047), (89, 2371817), (553, 381721), (623, 338831), (4289, 49217), (7031, 30023)]