25981604

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{53681}}^1$

素因数の和:53707

約数の個数: 18

約数和(自身を含む): 49977942

約数和(自身を除く): 23996338

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 53681, 107362, 214724, 590491, 1180982, 2361964, 6495401, 12990802, 25981604]

約数ペア:

[(1, 25981604), (2, 12990802), (4, 6495401), (11, 2361964), (22, 1180982), (44, 590491), (121, 214724), (242, 107362), (484, 53681)]