81581024

素因数分解:

$2^5\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1451}}^1$

素因数の和:1719

約数の個数: 48

約数和(自身を含む): 184415616

約数和(自身を除く): 102834592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 251, 502, 1004, 1451, 1757, 2008, 2902, 3514, 4016, 5804, 7028, 8032, 10157, 11608, 14056, 20314, 23216, 28112, 40628, 46432, 56224, 81256, 162512, 325024, 364201, 728402, 1456804, 2549407, 2913608, 5098814, 5827216, 10197628, 11654432, 20395256, 40790512, 81581024]

約数ペア:

[(1, 81581024), (2, 40790512), (4, 20395256), (7, 11654432), (8, 10197628), (14, 5827216), (16, 5098814), (28, 2913608), (32, 2549407), (56, 1456804), (112, 728402), (224, 364201), (251, 325024), (502, 162512), (1004, 81256), (1451, 56224), (1757, 46432), (2008, 40628), (2902, 28112), (3514, 23216), (4016, 20314), (5804, 14056), (7028, 11608), (8032, 10157)]