28526225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12539}}^1$

素因数の和:12569

約数の個数: 24

約数和(自身を含む): 43538880

約数和(自身を除く): 15012655

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 12539, 62695, 87773, 163007, 313475, 438865, 815035, 1141049, 2194325, 4075175, 5705245, 28526225]

約数ペア:

[(1, 28526225), (5, 5705245), (7, 4075175), (13, 2194325), (25, 1141049), (35, 815035), (65, 438865), (91, 313475), (175, 163007), (325, 87773), (455, 62695), (2275, 12539)]