25642988

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{6991}}^1$

素因数の和:7133

約数の個数: 24

約数和(自身を含む): 51684864

約数和(自身を除く): 26041876

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 6991, 13982, 27964, 48937, 97874, 195748, 915821, 1831642, 3663284, 6410747, 12821494, 25642988]

約数ペア:

[(1, 25642988), (2, 12821494), (4, 6410747), (7, 3663284), (14, 1831642), (28, 915821), (131, 195748), (262, 97874), (524, 48937), (917, 27964), (1834, 13982), (3668, 6991)]