257544538

素因数分解:

$2^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1\times {\mathrm{2273}}^1$

素因数の和:2769

約数の個数: 16

約数和(自身を含む): 389863656

約数和(自身を除く): 132319118

約数列:

[1, 2, 181, 313, 362, 626, 2273, 4546, 56653, 113306, 411413, 711449, 822826, 1422898, 128772269, 257544538]

約数ペア:

[(1, 257544538), (2, 128772269), (181, 1422898), (313, 822826), (362, 711449), (626, 411413), (2273, 113306), (4546, 56653)]