81073912

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{5281}}^1$

素因数の和:5407

約数の個数: 32

約数和(自身を含む): 161629200

約数和(自身を除く): 80555288

約数列:

[1, 2, 4, 8, 19, 38, 76, 101, 152, 202, 404, 808, 1919, 3838, 5281, 7676, 10562, 15352, 21124, 42248, 100339, 200678, 401356, 533381, 802712, 1066762, 2133524, 4267048, 10134239, 20268478, 40536956, 81073912]

約数ペア:

[(1, 81073912), (2, 40536956), (4, 20268478), (8, 10134239), (19, 4267048), (38, 2133524), (76, 1066762), (101, 802712), (152, 533381), (202, 401356), (404, 200678), (808, 100339), (1919, 42248), (3838, 21124), (5281, 15352), (7676, 10562)]