28119275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{607}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 37319040

約数和(自身を除く): 9199765

約数列:

[1, 5, 17, 25, 85, 109, 425, 545, 607, 1853, 2725, 3035, 9265, 10319, 15175, 46325, 51595, 66163, 257975, 330815, 1124771, 1654075, 5623855, 28119275]

約数ペア:

[(1, 28119275), (5, 5623855), (17, 1654075), (25, 1124771), (85, 330815), (109, 257975), (425, 66163), (545, 51595), (607, 46325), (1853, 15175), (2725, 10319), (3035, 9265)]