72746765

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1583}}^1$

素因数の和:1709

約数の個数: 32

約数和(自身を含む): 108573696

約数和(自身を除く): 35826931

約数列:

[1, 5, 7, 13, 35, 65, 91, 101, 455, 505, 707, 1313, 1583, 3535, 6565, 7915, 9191, 11081, 20579, 45955, 55405, 102895, 144053, 159883, 720265, 799415, 1119181, 2078479, 5595905, 10392395, 14549353, 72746765]

約数ペア:

[(1, 72746765), (5, 14549353), (7, 10392395), (13, 5595905), (35, 2078479), (65, 1119181), (91, 799415), (101, 720265), (455, 159883), (505, 144053), (707, 102895), (1313, 55405), (1583, 45955), (3535, 20579), (6565, 11081), (7915, 9191)]