28253090

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{91139}}^1$

素因数の和:91177

約数の個数: 16

約数和(自身を含む): 52496640

約数和(自身を除く): 24243550

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 91139, 182278, 455695, 911390, 2825309, 5650618, 14126545, 28253090]

約数ペア:

[(1, 28253090), (2, 14126545), (5, 5650618), (10, 2825309), (31, 911390), (62, 455695), (155, 182278), (310, 91139)]