25690847

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 33247872

約数和(自身を除く): 7557025

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 637, 1301, 1519, 2821, 9107, 16913, 19747, 40331, 63749, 118391, 282317, 524303, 828737, 1976219, 3670121, 25690847]

約数ペア:

[(1, 25690847), (7, 3670121), (13, 1976219), (31, 828737), (49, 524303), (91, 282317), (217, 118391), (403, 63749), (637, 40331), (1301, 19747), (1519, 16913), (2821, 9107)]