208045775

素因数分解:

$5^2\times 7^1\times {\mathrm{751}}^1\times {\mathrm{1583}}^1$

素因数の和:2351

約数の個数: 24

約数和(自身を含む): 295409664

約数和(自身を除く): 87363889

約数列:

[1, 5, 7, 25, 35, 175, 751, 1583, 3755, 5257, 7915, 11081, 18775, 26285, 39575, 55405, 131425, 277025, 1188833, 5944165, 8321831, 29720825, 41609155, 208045775]

約数ペア:

[(1, 208045775), (5, 41609155), (7, 29720825), (25, 8321831), (35, 5944165), (175, 1188833), (751, 277025), (1583, 131425), (3755, 55405), (5257, 39575), (7915, 26285), (11081, 18775)]