25283921

素因数分解:

${\mathrm{13}}^2\times {\mathrm{41}}^2\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 18

約数和(自身を含む): 28377810

約数和(自身を除く): 3093889

約数列:

[1, 13, 41, 89, 169, 533, 1157, 1681, 3649, 6929, 15041, 21853, 47437, 149609, 284089, 616681, 1944917, 25283921]

約数ペア:

[(1, 25283921), (13, 1944917), (41, 616681), (89, 284089), (169, 149609), (533, 47437), (1157, 21853), (1681, 15041), (3649, 6929)]