251901865

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{131}}^1\times {\mathrm{727}}^1$

素因数の和:909

約数の個数: 24

約数和(自身を含む): 318846528

約数和(自身を除く): 66944663

約数列:

[1, 5, 23, 115, 131, 529, 655, 727, 2645, 3013, 3635, 15065, 16721, 69299, 83605, 95237, 346495, 384583, 476185, 1922915, 2190451, 10952255, 50380373, 251901865]

約数ペア:

[(1, 251901865), (5, 50380373), (23, 10952255), (115, 2190451), (131, 1922915), (529, 476185), (655, 384583), (727, 346495), (2645, 95237), (3013, 83605), (3635, 69299), (15065, 16721)]