27991796

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 58308096

約数和(自身を除く): 30316300

約数列:

[1, 2, 4, 7, 14, 28, 43, 67, 86, 134, 172, 268, 301, 347, 469, 602, 694, 938, 1204, 1388, 1876, 2429, 2881, 4858, 5762, 9716, 11524, 14921, 20167, 23249, 29842, 40334, 46498, 59684, 80668, 92996, 104447, 162743, 208894, 325486, 417788, 650972, 999707, 1999414, 3998828, 6997949, 13995898, 27991796]

約数ペア:

[(1, 27991796), (2, 13995898), (4, 6997949), (7, 3998828), (14, 1999414), (28, 999707), (43, 650972), (67, 417788), (86, 325486), (134, 208894), (172, 162743), (268, 104447), (301, 92996), (347, 80668), (469, 59684), (602, 46498), (694, 40334), (938, 29842), (1204, 23249), (1388, 20167), (1876, 14921), (2429, 11524), (2881, 9716), (4858, 5762)]