81225088

素因数分解:

$2^7\times 7^1\times {\mathrm{269}}^1\times {\mathrm{337}}^1$

素因数の和:627

約数の個数: 64

約数和(自身を含む): 186170400

約数和(自身を除く): 104945312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 269, 337, 448, 538, 674, 896, 1076, 1348, 1883, 2152, 2359, 2696, 3766, 4304, 4718, 5392, 7532, 8608, 9436, 10784, 15064, 17216, 18872, 21568, 30128, 34432, 37744, 43136, 60256, 75488, 90653, 120512, 150976, 181306, 241024, 301952, 362612, 634571, 725224, 1269142, 1450448, 2538284, 2900896, 5076568, 5801792, 10153136, 11603584, 20306272, 40612544, 81225088]

約数ペア:

[(1, 81225088), (2, 40612544), (4, 20306272), (7, 11603584), (8, 10153136), (14, 5801792), (16, 5076568), (28, 2900896), (32, 2538284), (56, 1450448), (64, 1269142), (112, 725224), (128, 634571), (224, 362612), (269, 301952), (337, 241024), (448, 181306), (538, 150976), (674, 120512), (896, 90653), (1076, 75488), (1348, 60256), (1883, 43136), (2152, 37744), (2359, 34432), (2696, 30128), (3766, 21568), (4304, 18872), (4718, 17216), (5392, 15064), (7532, 10784), (8608, 9436)]