209385001

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1\times {\mathrm{1117}}^1$

素因数の和:1624

約数の個数: 16

約数和(自身を含む): 243992320

約数和(自身を除く): 34607319

約数列:

[1, 7, 61, 427, 439, 1117, 3073, 7819, 26779, 68137, 187453, 476959, 490363, 3432541, 29912143, 209385001]

約数ペア:

[(1, 209385001), (7, 29912143), (61, 3432541), (427, 490363), (439, 476959), (1117, 187453), (3073, 68137), (7819, 26779)]