13198297

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:290

約数の個数: 20

約数和(自身を含む): 16133760

約数和(自身を除く): 2935463

約数列:

[1, 7, 23, 49, 161, 239, 343, 1127, 1673, 2401, 5497, 7889, 11711, 38479, 55223, 81977, 269353, 573839, 1885471, 13198297]

約数ペア:

[(1, 13198297), (7, 1885471), (23, 573839), (49, 269353), (161, 81977), (239, 55223), (343, 38479), (1127, 11711), (1673, 7889), (2401, 5497)]