127681775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4973}}^1$

素因数の和:5075

約数の個数: 24

約数和(自身を含む): 172697280

約数和(自身を除く): 45015505

約数列:

[1, 5, 13, 25, 65, 79, 325, 395, 1027, 1975, 4973, 5135, 24865, 25675, 64649, 124325, 323245, 392867, 1616225, 1964335, 5107271, 9821675, 25536355, 127681775]

約数ペア:

[(1, 127681775), (5, 25536355), (13, 9821675), (25, 5107271), (65, 1964335), (79, 1616225), (325, 392867), (395, 323245), (1027, 124325), (1975, 64649), (4973, 25675), (5135, 24865)]