681006824

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{7703}}^1$

素因数の和:8009

約数の個数: 32

約数和(自身を含む): 1311837120

約数和(自身を除く): 630830296

約数列:

[1, 2, 4, 8, 43, 86, 172, 257, 344, 514, 1028, 2056, 7703, 11051, 15406, 22102, 30812, 44204, 61624, 88408, 331229, 662458, 1324916, 1979671, 2649832, 3959342, 7918684, 15837368, 85125853, 170251706, 340503412, 681006824]

約数ペア:

[(1, 681006824), (2, 340503412), (4, 170251706), (8, 85125853), (43, 15837368), (86, 7918684), (172, 3959342), (257, 2649832), (344, 1979671), (514, 1324916), (1028, 662458), (2056, 331229), (7703, 88408), (11051, 61624), (15406, 44204), (22102, 30812)]