218459916

素因数分解:

$2^2\times 3^5\times {\mathrm{317}}^1\times {\mathrm{709}}^1$

素因数の和:1045

約数の個数: 72

約数和(自身を含む): 575287440

約数和(自身を除く): 356827524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 317, 324, 486, 634, 709, 951, 972, 1268, 1418, 1902, 2127, 2836, 2853, 3804, 4254, 5706, 6381, 8508, 8559, 11412, 12762, 17118, 19143, 25524, 25677, 34236, 38286, 51354, 57429, 76572, 77031, 102708, 114858, 154062, 172287, 224753, 229716, 308124, 344574, 449506, 674259, 689148, 899012, 1348518, 2022777, 2697036, 4045554, 6068331, 8091108, 12136662, 18204993, 24273324, 36409986, 54614979, 72819972, 109229958, 218459916]

約数ペア:

[(1, 218459916), (2, 109229958), (3, 72819972), (4, 54614979), (6, 36409986), (9, 24273324), (12, 18204993), (18, 12136662), (27, 8091108), (36, 6068331), (54, 4045554), (81, 2697036), (108, 2022777), (162, 1348518), (243, 899012), (317, 689148), (324, 674259), (486, 449506), (634, 344574), (709, 308124), (951, 229716), (972, 224753), (1268, 172287), (1418, 154062), (1902, 114858), (2127, 102708), (2836, 77031), (2853, 76572), (3804, 57429), (4254, 51354), (5706, 38286), (6381, 34236), (8508, 25677), (8559, 25524), (11412, 19143), (12762, 17118)]