42721765

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{7079}}^1$

素因数の和:7172

約数の個数: 16

約数和(自身を含む): 55054080

約数和(自身を除く): 12332315

約数列:

[1, 5, 17, 71, 85, 355, 1207, 6035, 7079, 35395, 120343, 502609, 601715, 2513045, 8544353, 42721765]

約数ペア:

[(1, 42721765), (5, 8544353), (17, 2513045), (71, 601715), (85, 502609), (355, 120343), (1207, 35395), (6035, 7079)]