28051145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{691}}^1$

素因数の和:1072

約数の個数: 16

約数和(自身を含む): 35275392

約数和(自身を除く): 7224247

約数列:

[1, 5, 23, 115, 353, 691, 1765, 3455, 8119, 15893, 40595, 79465, 243923, 1219615, 5610229, 28051145]

約数ペア:

[(1, 28051145), (5, 5610229), (23, 1219615), (115, 243923), (353, 79465), (691, 40595), (1765, 15893), (3455, 8119)]