81405632

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16519}}^1$

素因数の和:16549

約数の個数: 56

約数和(自身を含む): 201411840

約数和(自身を除く): 120006208

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 154, 176, 224, 308, 352, 448, 616, 704, 1232, 2464, 4928, 16519, 33038, 66076, 115633, 132152, 181709, 231266, 264304, 363418, 462532, 528608, 726836, 925064, 1057216, 1271963, 1453672, 1850128, 2543926, 2907344, 3700256, 5087852, 5814688, 7400512, 10175704, 11629376, 20351408, 40702816, 81405632]

約数ペア:

[(1, 81405632), (2, 40702816), (4, 20351408), (7, 11629376), (8, 10175704), (11, 7400512), (14, 5814688), (16, 5087852), (22, 3700256), (28, 2907344), (32, 2543926), (44, 1850128), (56, 1453672), (64, 1271963), (77, 1057216), (88, 925064), (112, 726836), (154, 528608), (176, 462532), (224, 363418), (308, 264304), (352, 231266), (448, 181709), (616, 132152), (704, 115633), (1232, 66076), (2464, 33038), (4928, 16519)]