28626815

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{19949}}^1$

素因数の和:20002

約数の個数: 16

約数和(自身を含む): 40219200

約数和(自身を除く): 11592385

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 19949, 99745, 139643, 698215, 817909, 4089545, 5725363, 28626815]

約数ペア:

[(1, 28626815), (5, 5725363), (7, 4089545), (35, 817909), (41, 698215), (205, 139643), (287, 99745), (1435, 19949)]