28220585

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1\times {\mathrm{353}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 34663680

約数和(自身を除く): 6443095

約数列:

[1, 5, 59, 271, 295, 353, 1355, 1765, 15989, 20827, 79945, 95663, 104135, 478315, 5644117, 28220585]

約数ペア:

[(1, 28220585), (5, 5644117), (59, 478315), (271, 104135), (295, 95663), (353, 79945), (1355, 20827), (1765, 15989)]