487971396

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{28657}}^1$

素因数の和:28721

約数の個数: 72

約数和(自身を含む): 1376959584

約数和(自身を除く): 888988188

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 43, 44, 66, 86, 99, 129, 132, 172, 198, 258, 387, 396, 473, 516, 774, 946, 1419, 1548, 1892, 2838, 4257, 5676, 8514, 17028, 28657, 57314, 85971, 114628, 171942, 257913, 315227, 343884, 515826, 630454, 945681, 1031652, 1232251, 1260908, 1891362, 2464502, 2837043, 3696753, 3782724, 4929004, 5674086, 7393506, 11090259, 11348172, 13554761, 14787012, 22180518, 27109522, 40664283, 44361036, 54219044, 81328566, 121992849, 162657132, 243985698, 487971396]

約数ペア:

[(1, 487971396), (2, 243985698), (3, 162657132), (4, 121992849), (6, 81328566), (9, 54219044), (11, 44361036), (12, 40664283), (18, 27109522), (22, 22180518), (33, 14787012), (36, 13554761), (43, 11348172), (44, 11090259), (66, 7393506), (86, 5674086), (99, 4929004), (129, 3782724), (132, 3696753), (172, 2837043), (198, 2464502), (258, 1891362), (387, 1260908), (396, 1232251), (473, 1031652), (516, 945681), (774, 630454), (946, 515826), (1419, 343884), (1548, 315227), (1892, 257913), (2838, 171942), (4257, 114628), (5676, 85971), (8514, 57314), (17028, 28657)]