81085312

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1$

素因数の和:484

約数の個数: 128

約数和(自身を含む): 212486400

約数和(自身を除く): 131401088

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 32, 38, 44, 56, 64, 76, 77, 88, 112, 128, 133, 152, 154, 176, 209, 224, 266, 304, 308, 352, 418, 433, 448, 532, 608, 616, 704, 836, 866, 896, 1064, 1216, 1232, 1408, 1463, 1672, 1732, 2128, 2432, 2464, 2926, 3031, 3344, 3464, 4256, 4763, 4928, 5852, 6062, 6688, 6928, 8227, 8512, 9526, 9856, 11704, 12124, 13376, 13856, 16454, 17024, 19052, 23408, 24248, 26752, 27712, 32908, 33341, 38104, 46816, 48496, 55424, 57589, 65816, 66682, 76208, 90497, 93632, 96992, 115178, 131632, 133364, 152416, 180994, 187264, 193984, 230356, 263264, 266728, 304832, 361988, 387968, 460712, 526528, 533456, 609664, 633479, 723976, 921424, 1053056, 1066912, 1266958, 1447952, 1842848, 2133824, 2533916, 2895904, 3685696, 4267648, 5067832, 5791808, 7371392, 10135664, 11583616, 20271328, 40542656, 81085312]

約数ペア:

[(1, 81085312), (2, 40542656), (4, 20271328), (7, 11583616), (8, 10135664), (11, 7371392), (14, 5791808), (16, 5067832), (19, 4267648), (22, 3685696), (28, 2895904), (32, 2533916), (38, 2133824), (44, 1842848), (56, 1447952), (64, 1266958), (76, 1066912), (77, 1053056), (88, 921424), (112, 723976), (128, 633479), (133, 609664), (152, 533456), (154, 526528), (176, 460712), (209, 387968), (224, 361988), (266, 304832), (304, 266728), (308, 263264), (352, 230356), (418, 193984), (433, 187264), (448, 180994), (532, 152416), (608, 133364), (616, 131632), (704, 115178), (836, 96992), (866, 93632), (896, 90497), (1064, 76208), (1216, 66682), (1232, 65816), (1408, 57589), (1463, 55424), (1672, 48496), (1732, 46816), (2128, 38104), (2432, 33341), (2464, 32908), (2926, 27712), (3031, 26752), (3344, 24248), (3464, 23408), (4256, 19052), (4763, 17024), (4928, 16454), (5852, 13856), (6062, 13376), (6688, 12124), (6928, 11704), (8227, 9856), (8512, 9526)]