261639368

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{797681}}^1$

素因数の和:797728

約数の個数: 16

約数和(自身を含む): 502539660

約数和(自身を除く): 240900292

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 797681, 1595362, 3190724, 6381448, 32704921, 65409842, 130819684, 261639368]

約数ペア:

[(1, 261639368), (2, 130819684), (4, 65409842), (8, 32704921), (41, 6381448), (82, 3190724), (164, 1595362), (328, 797681)]