128450975

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1759}}^1$

素因数の和:1919

約数の個数: 24

約数和(自身を含む): 167608320

約数和(自身を除く): 39157345

約数列:

[1, 5, 23, 25, 115, 127, 575, 635, 1759, 2921, 3175, 8795, 14605, 40457, 43975, 73025, 202285, 223393, 1011425, 1116965, 5138039, 5584825, 25690195, 128450975]

約数ペア:

[(1, 128450975), (5, 25690195), (23, 5584825), (25, 5138039), (115, 1116965), (127, 1011425), (575, 223393), (635, 202285), (1759, 73025), (2921, 43975), (3175, 40457), (8795, 14605)]