25980988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3761}}^1$

素因数の和:3933

約数の個数: 24

約数和(自身を含む): 49929264

約数和(自身を除く): 23948276

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 3454, 3761, 6908, 7522, 15044, 41371, 82742, 165484, 590477, 1180954, 2361908, 6495247, 12990494, 25980988]

約数ペア:

[(1, 25980988), (2, 12990494), (4, 6495247), (11, 2361908), (22, 1180954), (44, 590477), (157, 165484), (314, 82742), (628, 41371), (1727, 15044), (3454, 7522), (3761, 6908)]