28555505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{2609}}^1$

素因数の和:2824

約数の個数: 16

約数和(自身を含む): 37584000

約数和(自身を除く): 9028495

約数列:

[1, 5, 11, 55, 199, 995, 2189, 2609, 10945, 13045, 28699, 143495, 519191, 2595955, 5711101, 28555505]

約数ペア:

[(1, 28555505), (5, 5711101), (11, 2595955), (55, 519191), (199, 143495), (995, 28699), (2189, 13045), (2609, 10945)]