67718128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{661}}^1$

素因数の和:1025

約数の個数: 40

約数和(自身を含む): 138728720

約数和(自身を除く): 71010592

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 337, 661, 674, 1322, 1348, 2644, 2696, 5288, 5392, 6403, 10576, 12559, 12806, 25118, 25612, 50236, 51224, 100472, 102448, 200944, 222757, 445514, 891028, 1782056, 3564112, 4232383, 8464766, 16929532, 33859064, 67718128]

約数ペア:

[(1, 67718128), (2, 33859064), (4, 16929532), (8, 8464766), (16, 4232383), (19, 3564112), (38, 1782056), (76, 891028), (152, 445514), (304, 222757), (337, 200944), (661, 102448), (674, 100472), (1322, 51224), (1348, 50236), (2644, 25612), (2696, 25118), (5288, 12806), (5392, 12559), (6403, 10576)]