81795784

素因数分解:

$2^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{8443}}^1$

素因数の和:8629

約数の個数: 32

約数和(自身を含む): 176310720

約数和(自身を除く): 94514936

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 173, 346, 692, 1211, 1384, 2422, 4844, 8443, 9688, 16886, 33772, 59101, 67544, 118202, 236404, 472808, 1460639, 2921278, 5842556, 10224473, 11685112, 20448946, 40897892, 81795784]

約数ペア:

[(1, 81795784), (2, 40897892), (4, 20448946), (7, 11685112), (8, 10224473), (14, 5842556), (28, 2921278), (56, 1460639), (173, 472808), (346, 236404), (692, 118202), (1211, 67544), (1384, 59101), (2422, 33772), (4844, 16886), (8443, 9688)]