209331528

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:520

約数の個数: 128

約数和(自身を含む): 622080000

約数和(自身を除く): 412748472

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 59, 84, 98, 118, 147, 168, 177, 196, 236, 294, 343, 354, 392, 413, 431, 472, 588, 686, 708, 826, 862, 1029, 1176, 1239, 1293, 1372, 1416, 1652, 1724, 2058, 2478, 2586, 2744, 2891, 3017, 3304, 3448, 4116, 4956, 5172, 5782, 6034, 8232, 8673, 9051, 9912, 10344, 11564, 12068, 17346, 18102, 20237, 21119, 23128, 24136, 25429, 34692, 36204, 40474, 42238, 50858, 60711, 63357, 69384, 72408, 76287, 80948, 84476, 101716, 121422, 126714, 147833, 152574, 161896, 168952, 178003, 203432, 242844, 253428, 295666, 305148, 356006, 443499, 485688, 506856, 534009, 591332, 610296, 712012, 886998, 1068018, 1182664, 1246021, 1424024, 1773996, 2136036, 2492042, 3547992, 3738063, 4272072, 4984084, 7476126, 8722147, 9968168, 14952252, 17444294, 26166441, 29904504, 34888588, 52332882, 69777176, 104665764, 209331528]

約数ペア:

[(1, 209331528), (2, 104665764), (3, 69777176), (4, 52332882), (6, 34888588), (7, 29904504), (8, 26166441), (12, 17444294), (14, 14952252), (21, 9968168), (24, 8722147), (28, 7476126), (42, 4984084), (49, 4272072), (56, 3738063), (59, 3547992), (84, 2492042), (98, 2136036), (118, 1773996), (147, 1424024), (168, 1246021), (177, 1182664), (196, 1068018), (236, 886998), (294, 712012), (343, 610296), (354, 591332), (392, 534009), (413, 506856), (431, 485688), (472, 443499), (588, 356006), (686, 305148), (708, 295666), (826, 253428), (862, 242844), (1029, 203432), (1176, 178003), (1239, 168952), (1293, 161896), (1372, 152574), (1416, 147833), (1652, 126714), (1724, 121422), (2058, 101716), (2478, 84476), (2586, 80948), (2744, 76287), (2891, 72408), (3017, 69384), (3304, 63357), (3448, 60711), (4116, 50858), (4956, 42238), (5172, 40474), (5782, 36204), (6034, 34692), (8232, 25429), (8673, 24136), (9051, 23128), (9912, 21119), (10344, 20237), (11564, 18102), (12068, 17346)]