209969417

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{9043}}^1$

素因数の和:9188

約数の個数: 16

約数和(自身を含む): 250048512

約数和(自身を除く): 40079095

約数列:

[1, 7, 31, 107, 217, 749, 3317, 9043, 23219, 63301, 280333, 967601, 1962331, 6773207, 29995631, 209969417]

約数ペア:

[(1, 209969417), (7, 29995631), (31, 6773207), (107, 1962331), (217, 967601), (749, 280333), (3317, 63301), (9043, 23219)]