25745889

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 38384640

約数和(自身を除く): 12638751

約数列:

[1, 3, 13, 39, 59, 67, 167, 177, 201, 501, 767, 871, 2171, 2301, 2613, 3953, 6513, 9853, 11189, 11859, 29559, 33567, 51389, 128089, 145457, 154167, 384267, 436371, 660151, 1980453, 8581963, 25745889]

約数ペア:

[(1, 25745889), (3, 8581963), (13, 1980453), (39, 660151), (59, 436371), (67, 384267), (167, 154167), (177, 145457), (201, 128089), (501, 51389), (767, 33567), (871, 29559), (2171, 11859), (2301, 11189), (2613, 9853), (3953, 6513)]