311909297

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 382821120

約数和(自身を除く): 70911823

約数列:

[1, 7, 29, 37, 131, 203, 259, 317, 917, 1073, 2219, 3799, 4847, 7511, 9193, 11729, 26593, 33929, 41527, 64351, 82103, 140563, 290689, 340141, 983941, 1204283, 1536499, 2380987, 8429981, 10755493, 44558471, 311909297]

約数ペア:

[(1, 311909297), (7, 44558471), (29, 10755493), (37, 8429981), (131, 2380987), (203, 1536499), (259, 1204283), (317, 983941), (917, 340141), (1073, 290689), (2219, 140563), (3799, 82103), (4847, 64351), (7511, 41527), (9193, 33929), (11729, 26593)]