11990245

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2543}}^1$

素因数の和:2612

約数の個数: 16

約数和(自身を含む): 15386112

約数和(自身を除く): 3395867

約数列:

[1, 5, 23, 41, 115, 205, 943, 2543, 4715, 12715, 58489, 104263, 292445, 521315, 2398049, 11990245]

約数ペア:

[(1, 11990245), (5, 2398049), (23, 521315), (41, 292445), (115, 104263), (205, 58489), (943, 12715), (2543, 4715)]