991972805

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1747}}^1$

素因数の和:1953

約数の個数: 32

約数和(自身を含む): 1292121600

約数和(自身を除く): 300148795

約数列:

[1, 5, 19, 43, 95, 139, 215, 695, 817, 1747, 2641, 4085, 5977, 8735, 13205, 29885, 33193, 75121, 113563, 165965, 242833, 375605, 567815, 1214165, 1427299, 4613827, 7136495, 10441819, 23069135, 52209095, 198394561, 991972805]

約数ペア:

[(1, 991972805), (5, 198394561), (19, 52209095), (43, 23069135), (95, 10441819), (139, 7136495), (215, 4613827), (695, 1427299), (817, 1214165), (1747, 567815), (2641, 375605), (4085, 242833), (5977, 165965), (8735, 113563), (13205, 75121), (29885, 33193)]