25221235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{10487}}^1$

素因数の和:10542

約数の個数: 16

約数和(自身を含む): 33477696

約数和(自身を除く): 8256461

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 10487, 52435, 136331, 388019, 681655, 1940095, 5044247, 25221235]

約数ペア:

[(1, 25221235), (5, 5044247), (13, 1940095), (37, 681655), (65, 388019), (185, 136331), (481, 52435), (2405, 10487)]