28268716

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 59076864

約数和(自身を除く): 30808148

約数列:

[1, 2, 4, 7, 14, 28, 43, 53, 86, 106, 172, 212, 301, 371, 443, 602, 742, 886, 1204, 1484, 1772, 2279, 3101, 4558, 6202, 9116, 12404, 15953, 19049, 23479, 31906, 38098, 46958, 63812, 76196, 93916, 133343, 164353, 266686, 328706, 533372, 657412, 1009597, 2019194, 4038388, 7067179, 14134358, 28268716]

約数ペア:

[(1, 28268716), (2, 14134358), (4, 7067179), (7, 4038388), (14, 2019194), (28, 1009597), (43, 657412), (53, 533372), (86, 328706), (106, 266686), (172, 164353), (212, 133343), (301, 93916), (371, 76196), (443, 63812), (602, 46958), (742, 38098), (886, 31906), (1204, 23479), (1484, 19049), (1772, 15953), (2279, 12404), (3101, 9116), (4558, 6202)]