212323867

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{13781}}^1$

素因数の和:13890

約数の個数: 16

約数和(自身を含む): 254029824

約数和(自身を除く): 41705957

約数列:

[1, 7, 31, 71, 217, 497, 2201, 13781, 15407, 96467, 427211, 978451, 2990477, 6849157, 30331981, 212323867]

約数ペア:

[(1, 212323867), (7, 30331981), (31, 6849157), (71, 2990477), (217, 978451), (497, 427211), (2201, 96467), (13781, 15407)]