81877792

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2099}}^1$

素因数の和:2185

約数の個数: 48

約数和(自身を含む): 171460800

約数和(自身を除く): 89583008

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 53, 92, 106, 184, 212, 368, 424, 736, 848, 1219, 1696, 2099, 2438, 4198, 4876, 8396, 9752, 16792, 19504, 33584, 39008, 48277, 67168, 96554, 111247, 193108, 222494, 386216, 444988, 772432, 889976, 1544864, 1779952, 2558681, 3559904, 5117362, 10234724, 20469448, 40938896, 81877792]

約数ペア:

[(1, 81877792), (2, 40938896), (4, 20469448), (8, 10234724), (16, 5117362), (23, 3559904), (32, 2558681), (46, 1779952), (53, 1544864), (92, 889976), (106, 772432), (184, 444988), (212, 386216), (368, 222494), (424, 193108), (736, 111247), (848, 96554), (1219, 67168), (1696, 48277), (2099, 39008), (2438, 33584), (4198, 19504), (4876, 16792), (8396, 9752)]