81694492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1039}}^1\times {\mathrm{1787}}^1$

素因数の和:2841

約数の個数: 24

約数和(自身を含む): 156199680

約数和(自身を除く): 74505188

約数列:

[1, 2, 4, 11, 22, 44, 1039, 1787, 2078, 3574, 4156, 7148, 11429, 19657, 22858, 39314, 45716, 78628, 1856693, 3713386, 7426772, 20423623, 40847246, 81694492]

約数ペア:

[(1, 81694492), (2, 40847246), (4, 20423623), (11, 7426772), (22, 3713386), (44, 1856693), (1039, 78628), (1787, 45716), (2078, 39314), (3574, 22858), (4156, 19657), (7148, 11429)]