28095275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 37851744

約数和(自身を除く): 9756469

約数列:

[1, 5, 13, 25, 65, 137, 325, 631, 685, 1781, 3155, 3425, 8203, 8905, 15775, 41015, 44525, 86447, 205075, 432235, 1123811, 2161175, 5619055, 28095275]

約数ペア:

[(1, 28095275), (5, 5619055), (13, 2161175), (25, 1123811), (65, 432235), (137, 205075), (325, 86447), (631, 44525), (685, 41015), (1781, 15775), (3155, 8905), (3425, 8203)]