28385714

素因数分解:

$2^1\times 7^1\times {\mathrm{1409}}^1\times {\mathrm{1439}}^1$

素因数の和:2857

約数の個数: 16

約数和(自身を含む): 48729600

約数和(自身を除く): 20343886

約数列:

[1, 2, 7, 14, 1409, 1439, 2818, 2878, 9863, 10073, 19726, 20146, 2027551, 4055102, 14192857, 28385714]

約数ペア:

[(1, 28385714), (2, 14192857), (7, 4055102), (14, 2027551), (1409, 20146), (1439, 19726), (2818, 10073), (2878, 9863)]