28127881

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 30205440

約数和(自身を除く): 2077559

約数列:

[1, 31, 37, 137, 179, 1147, 4247, 5069, 5549, 6623, 24523, 157139, 205313, 760213, 907351, 28127881]

約数ペア:

[(1, 28127881), (31, 907351), (37, 760213), (137, 205313), (179, 157139), (1147, 24523), (4247, 6623), (5069, 5549)]