297480841

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 369142272

約数和(自身を除く): 71661431

約数列:

[1, 7, 17, 71, 119, 137, 257, 497, 959, 1207, 1799, 2329, 4369, 8449, 9727, 16303, 18247, 30583, 35209, 68089, 127729, 165359, 246463, 310199, 598553, 1157513, 2171393, 2499839, 4189871, 17498873, 42497263, 297480841]

約数ペア:

[(1, 297480841), (7, 42497263), (17, 17498873), (71, 4189871), (119, 2499839), (137, 2171393), (257, 1157513), (497, 598553), (959, 310199), (1207, 246463), (1799, 165359), (2329, 127729), (4369, 68089), (8449, 35209), (9727, 30583), (16303, 18247)]