1961489425

素因数分解:

$5^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{20123}}^1$

素因数の和:20697

約数の個数: 24

約数和(自身を含む): 2784839616

約数和(自身を除く): 823350191

約数列:

[1, 5, 7, 25, 35, 175, 557, 2785, 3899, 13925, 19495, 20123, 97475, 100615, 140861, 503075, 704305, 3521525, 11208511, 56042555, 78459577, 280212775, 392297885, 1961489425]

約数ペア:

[(1, 1961489425), (5, 392297885), (7, 280212775), (25, 78459577), (35, 56042555), (175, 11208511), (557, 3521525), (2785, 704305), (3899, 503075), (13925, 140861), (19495, 100615), (20123, 97475)]