208040405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{95213}}^1$

素因数の和:95260

約数の個数: 16

約数和(自身を含む): 274216320

約数和(自身を除く): 66175915

約数列:

[1, 5, 19, 23, 95, 115, 437, 2185, 95213, 476065, 1809047, 2189899, 9045235, 10949495, 41608081, 208040405]

約数ペア:

[(1, 208040405), (5, 41608081), (19, 10949495), (23, 9045235), (95, 2189899), (115, 1809047), (437, 476065), (2185, 95213)]