27958070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{399401}}^1$

素因数の和:399415

約数の個数: 16

約数和(自身を含む): 57513888

約数和(自身を除く): 29555818

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 399401, 798802, 1997005, 2795807, 3994010, 5591614, 13979035, 27958070]

約数ペア:

[(1, 27958070), (2, 13979035), (5, 5591614), (7, 3994010), (10, 2795807), (14, 1997005), (35, 798802), (70, 399401)]