72128485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{359}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 102332160

約数和(自身を除く): 30203675

約数列:

[1, 5, 11, 13, 55, 65, 143, 281, 359, 715, 1405, 1795, 3091, 3653, 3949, 4667, 15455, 18265, 19745, 23335, 40183, 51337, 100879, 200915, 256685, 504395, 1109669, 1311427, 5548345, 6557135, 14425697, 72128485]

約数ペア:

[(1, 72128485), (5, 14425697), (11, 6557135), (13, 5548345), (55, 1311427), (65, 1109669), (143, 504395), (281, 256685), (359, 200915), (715, 100879), (1405, 51337), (1795, 40183), (3091, 23335), (3653, 19745), (3949, 18265), (4667, 15455)]