209957888

素因数分解:

$2^{10}\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1723}}^1$

素因数の和:1767

約数の個数: 88

約数和(自身を含む): 508180032

約数和(自身を除く): 298222144

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 476, 512, 544, 896, 952, 1024, 1088, 1723, 1792, 1904, 2176, 3446, 3584, 3808, 4352, 6892, 7168, 7616, 8704, 12061, 13784, 15232, 17408, 24122, 27568, 29291, 30464, 48244, 55136, 58582, 60928, 96488, 110272, 117164, 121856, 192976, 205037, 220544, 234328, 385952, 410074, 441088, 468656, 771904, 820148, 882176, 937312, 1543808, 1640296, 1764352, 1874624, 3087616, 3280592, 3749248, 6175232, 6561184, 7498496, 12350464, 13122368, 14996992, 26244736, 29993984, 52489472, 104978944, 209957888]

約数ペア:

[(1, 209957888), (2, 104978944), (4, 52489472), (7, 29993984), (8, 26244736), (14, 14996992), (16, 13122368), (17, 12350464), (28, 7498496), (32, 6561184), (34, 6175232), (56, 3749248), (64, 3280592), (68, 3087616), (112, 1874624), (119, 1764352), (128, 1640296), (136, 1543808), (224, 937312), (238, 882176), (256, 820148), (272, 771904), (448, 468656), (476, 441088), (512, 410074), (544, 385952), (896, 234328), (952, 220544), (1024, 205037), (1088, 192976), (1723, 121856), (1792, 117164), (1904, 110272), (2176, 96488), (3446, 60928), (3584, 58582), (3808, 55136), (4352, 48244), (6892, 30464), (7168, 29291), (7616, 27568), (8704, 24122), (12061, 17408), (13784, 15232)]