205121158885

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{81401}}^1$

素因数の和:81753

約数の個数: 32

約数和(自身を含む): 258573127392

約数和(自身を除く): 53451968507

約数列:

[1, 5, 37, 53, 185, 257, 265, 1285, 1961, 9509, 9805, 13621, 47545, 68105, 81401, 407005, 503977, 2519885, 3011837, 4314253, 15059185, 20920057, 21571265, 104600285, 159627361, 774042109, 798136805, 1108763021, 3870210545, 5543815105, 41024231777, 205121158885]

約数ペア:

[(1, 205121158885), (5, 41024231777), (37, 5543815105), (53, 3870210545), (185, 1108763021), (257, 798136805), (265, 774042109), (1285, 159627361), (1961, 104600285), (9509, 21571265), (9805, 20920057), (13621, 15059185), (47545, 4314253), (68105, 3011837), (81401, 2519885), (407005, 503977)]