128957470201

素因数分解:

$7^1\times {\mathrm{613}}^1\times {\mathrm{1543}}^1\times {\mathrm{19477}}^1$

素因数の和:21640

約数の個数: 16

約数和(自身を含む): 147723645184

約数和(自身を除く): 18766174983

約数列:

[1, 7, 613, 1543, 4291, 10801, 19477, 136339, 945859, 6621013, 11939401, 30053011, 83575807, 210371077, 18422495743, 128957470201]

約数ペア:

[(1, 128957470201), (7, 18422495743), (613, 210371077), (1543, 83575807), (4291, 30053011), (10801, 11939401), (19477, 6621013), (136339, 945859)]