28861175

素因数分解:

$5^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1987}}^1$

素因数の和:2087

約数の個数: 24

約数和(自身を含む): 41414016

約数和(自身を除く): 12552841

約数列:

[1, 5, 7, 25, 35, 83, 175, 415, 581, 1987, 2075, 2905, 9935, 13909, 14525, 49675, 69545, 164921, 347725, 824605, 1154447, 4123025, 5772235, 28861175]

約数ペア:

[(1, 28861175), (5, 5772235), (7, 4123025), (25, 1154447), (35, 824605), (83, 347725), (175, 164921), (415, 69545), (581, 49675), (1987, 14525), (2075, 13909), (2905, 9935)]