25916272

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:461

約数の個数: 40

約数和(自身を含む): 51941120

約数和(自身を除く): 26024848

約数列:

[1, 2, 4, 8, 16, 43, 86, 139, 172, 271, 278, 344, 542, 556, 688, 1084, 1112, 2168, 2224, 4336, 5977, 11653, 11954, 23306, 23908, 37669, 46612, 47816, 75338, 93224, 95632, 150676, 186448, 301352, 602704, 1619767, 3239534, 6479068, 12958136, 25916272]

約数ペア:

[(1, 25916272), (2, 12958136), (4, 6479068), (8, 3239534), (16, 1619767), (43, 602704), (86, 301352), (139, 186448), (172, 150676), (271, 95632), (278, 93224), (344, 75338), (542, 47816), (556, 46612), (688, 37669), (1084, 23908), (1112, 23306), (2168, 11954), (2224, 11653), (4336, 5977)]