81490316

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{63073}}^1$

素因数の和:63113

約数の個数: 24

約数和(自身を含む): 158946480

約数和(自身を除く): 77456164

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 63073, 126146, 252292, 1072241, 1198387, 2144482, 2396774, 4288964, 4793548, 20372579, 40745158, 81490316]

約数ペア:

[(1, 81490316), (2, 40745158), (4, 20372579), (17, 4793548), (19, 4288964), (34, 2396774), (38, 2144482), (68, 1198387), (76, 1072241), (323, 252292), (646, 126146), (1292, 63073)]