203109985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{100799}}^1$

素因数の和:100848

約数の個数: 16

約数和(自身を含む): 270950400

約数和(自身を除く): 67840415

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 100799, 503995, 1310387, 3124769, 6551935, 15623845, 40621997, 203109985]

約数ペア:

[(1, 203109985), (5, 40621997), (13, 15623845), (31, 6551935), (65, 3124769), (155, 1310387), (403, 503995), (2015, 100799)]