2905385

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 4458240

約数和(自身を除く): 1552855

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 257, 323, 595, 665, 1285, 1615, 1799, 2261, 4369, 4883, 8995, 11305, 21845, 24415, 30583, 34181, 83011, 152915, 170905, 415055, 581077, 2905385]

約数ペア:

[(1, 2905385), (5, 581077), (7, 415055), (17, 170905), (19, 152915), (35, 83011), (85, 34181), (95, 30583), (119, 24415), (133, 21845), (257, 11305), (323, 8995), (595, 4883), (665, 4369), (1285, 2261), (1615, 1799)]