221955328

素因数分解:

$2^8\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4271}}^1$

素因数の和:4323

約数の個数: 72

約数和(自身を含む): 523918080

約数和(自身を除く): 301962752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 256, 406, 448, 464, 812, 896, 928, 1624, 1792, 1856, 3248, 3712, 4271, 6496, 7424, 8542, 12992, 17084, 25984, 29897, 34168, 51968, 59794, 68336, 119588, 123859, 136672, 239176, 247718, 273344, 478352, 495436, 546688, 867013, 956704, 990872, 1093376, 1734026, 1913408, 1981744, 3468052, 3826816, 3963488, 6936104, 7653632, 7926976, 13872208, 15853952, 27744416, 31707904, 55488832, 110977664, 221955328]

約数ペア:

[(1, 221955328), (2, 110977664), (4, 55488832), (7, 31707904), (8, 27744416), (14, 15853952), (16, 13872208), (28, 7926976), (29, 7653632), (32, 6936104), (56, 3963488), (58, 3826816), (64, 3468052), (112, 1981744), (116, 1913408), (128, 1734026), (203, 1093376), (224, 990872), (232, 956704), (256, 867013), (406, 546688), (448, 495436), (464, 478352), (812, 273344), (896, 247718), (928, 239176), (1624, 136672), (1792, 123859), (1856, 119588), (3248, 68336), (3712, 59794), (4271, 51968), (6496, 34168), (7424, 29897), (8542, 25984), (12992, 17084)]