28709905

素因数分解:

$5^1\times 7^1\times {\mathrm{683}}^1\times {\mathrm{1201}}^1$

素因数の和:1896

約数の個数: 16

約数和(自身を含む): 39464064

約数和(自身を除く): 10754159

約数列:

[1, 5, 7, 35, 683, 1201, 3415, 4781, 6005, 8407, 23905, 42035, 820283, 4101415, 5741981, 28709905]

約数ペア:

[(1, 28709905), (5, 5741981), (7, 4101415), (35, 820283), (683, 42035), (1201, 23905), (3415, 8407), (4781, 6005)]