199967215

素因数分解:

$5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{44987}}^1$

素因数の和:45126

約数の個数: 16

約数和(自身を含む): 276406272

約数和(自身を除く): 76439057

約数列:

[1, 5, 7, 35, 127, 635, 889, 4445, 44987, 224935, 314909, 1574545, 5713349, 28566745, 39993443, 199967215]

約数ペア:

[(1, 199967215), (5, 39993443), (7, 28566745), (35, 5713349), (127, 1574545), (635, 314909), (889, 224935), (4445, 44987)]