25781228

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{53267}}^1$

素因数の和:53293

約数の個数: 18

約数和(自身を含む): 49592508

約数和(自身を除く): 23811280

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 53267, 106534, 213068, 585937, 1171874, 2343748, 6445307, 12890614, 25781228]

約数ペア:

[(1, 25781228), (2, 12890614), (4, 6445307), (11, 2343748), (22, 1171874), (44, 585937), (121, 213068), (242, 106534), (484, 53267)]