25690258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 43868160

約数和(自身を除く): 18177902

約数列:

[1, 2, 11, 22, 31, 62, 139, 271, 278, 341, 542, 682, 1529, 2981, 3058, 4309, 5962, 8401, 8618, 16802, 37669, 47399, 75338, 92411, 94798, 184822, 414359, 828718, 1167739, 2335478, 12845129, 25690258]

約数ペア:

[(1, 25690258), (2, 12845129), (11, 2335478), (22, 1167739), (31, 828718), (62, 414359), (139, 184822), (271, 94798), (278, 92411), (341, 75338), (542, 47399), (682, 37669), (1529, 16802), (2981, 8618), (3058, 8401), (4309, 5962)]