22016905

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:624

約数の個数: 16

約数和(自身を含む): 27014400

約数和(自身を除く): 4997495

約数列:

[1, 5, 79, 139, 395, 401, 695, 2005, 10981, 31679, 54905, 55739, 158395, 278695, 4403381, 22016905]

約数ペア:

[(1, 22016905), (5, 4403381), (79, 278695), (139, 158395), (395, 55739), (401, 54905), (695, 31679), (2005, 10981)]