81217928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{922931}}^1$

素因数の和:922948

約数の個数: 16

約数和(自身を含む): 166127760

約数和(自身を除く): 84909832

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 922931, 1845862, 3691724, 7383448, 10152241, 20304482, 40608964, 81217928]

約数ペア:

[(1, 81217928), (2, 40608964), (4, 20304482), (8, 10152241), (11, 7383448), (22, 3691724), (44, 1845862), (88, 922931)]