199854109

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{75731}}^1$

素因数の和:75780

約数の個数: 16

約数和(自身を含む): 254459520

約数和(自身を除く): 54605411

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 75731, 530117, 984503, 2196199, 6891521, 15373393, 28550587, 199854109]

約数ペア:

[(1, 199854109), (7, 28550587), (13, 15373393), (29, 6891521), (91, 2196199), (203, 984503), (377, 530117), (2639, 75731)]