200720149

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{3109}}^1$

素因数の和:3540

約数の個数: 16

約数和(自身を含む): 240042240

約数和(自身を除く): 39322091

約数列:

[1, 7, 23, 161, 401, 2807, 3109, 9223, 21763, 64561, 71507, 500549, 1246709, 8726963, 28674307, 200720149]

約数ペア:

[(1, 200720149), (7, 28674307), (23, 8726963), (161, 1246709), (401, 500549), (2807, 71507), (3109, 64561), (9223, 21763)]