78751985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{7717}}^1$

素因数の和:7892

約数の個数: 16

約数和(自身を含む): 102433296

約数和(自身を除く): 23681311

約数列:

[1, 5, 13, 65, 157, 785, 2041, 7717, 10205, 38585, 100321, 501605, 1211569, 6057845, 15750397, 78751985]

約数ペア:

[(1, 78751985), (5, 15750397), (13, 6057845), (65, 1211569), (157, 501605), (785, 100321), (2041, 38585), (7717, 10205)]