13928255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1613}}^1$

素因数の和:1786

約数の個数: 16

約数和(自身を含む): 18360864

約数和(自身を除く): 4432609

約数列:

[1, 5, 11, 55, 157, 785, 1613, 1727, 8065, 8635, 17743, 88715, 253241, 1266205, 2785651, 13928255]

約数ペア:

[(1, 13928255), (5, 2785651), (11, 1266205), (55, 253241), (157, 88715), (785, 17743), (1613, 8635), (1727, 8065)]