208932012

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{971}}^1$

素因数の和:1163

約数の個数: 72

約数和(自身を含む): 544864320

約数和(自身を除く): 335932308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 139, 172, 258, 278, 387, 417, 516, 556, 774, 834, 971, 1251, 1548, 1668, 1942, 2502, 2913, 3884, 5004, 5826, 5977, 8739, 11652, 11954, 17478, 17931, 23908, 34956, 35862, 41753, 53793, 71724, 83506, 107586, 125259, 134969, 167012, 215172, 250518, 269938, 375777, 404907, 501036, 539876, 751554, 809814, 1214721, 1503108, 1619628, 2429442, 4858884, 5803667, 11607334, 17411001, 23214668, 34822002, 52233003, 69644004, 104466006, 208932012]

約数ペア:

[(1, 208932012), (2, 104466006), (3, 69644004), (4, 52233003), (6, 34822002), (9, 23214668), (12, 17411001), (18, 11607334), (36, 5803667), (43, 4858884), (86, 2429442), (129, 1619628), (139, 1503108), (172, 1214721), (258, 809814), (278, 751554), (387, 539876), (417, 501036), (516, 404907), (556, 375777), (774, 269938), (834, 250518), (971, 215172), (1251, 167012), (1548, 134969), (1668, 125259), (1942, 107586), (2502, 83506), (2913, 71724), (3884, 53793), (5004, 41753), (5826, 35862), (5977, 34956), (8739, 23908), (11652, 17931), (11954, 17478)]