69979987

素因数分解:

$7^2\times {\mathrm{11}}^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:113

約数の個数: 48

約数和(自身を含む): 95130720

約数和(自身を除く): 25150733

約数列:

[1, 7, 11, 29, 37, 49, 77, 121, 203, 259, 319, 407, 539, 847, 1073, 1331, 1421, 1813, 2233, 2849, 3509, 4477, 5929, 7511, 9317, 11803, 15631, 19943, 24563, 31339, 38599, 49247, 52577, 65219, 82621, 129833, 171941, 219373, 270193, 344729, 578347, 908831, 1428163, 1891351, 2413103, 6361817, 9997141, 69979987]

約数ペア:

[(1, 69979987), (7, 9997141), (11, 6361817), (29, 2413103), (37, 1891351), (49, 1428163), (77, 908831), (121, 578347), (203, 344729), (259, 270193), (319, 219373), (407, 171941), (539, 129833), (847, 82621), (1073, 65219), (1331, 52577), (1421, 49247), (1813, 38599), (2233, 31339), (2849, 24563), (3509, 19943), (4477, 15631), (5929, 11803), (7511, 9317)]