161615525

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1097}}^1$

素因数の和:1261

約数の個数: 24

約数和(自身を含む): 205861824

約数和(自身を除く): 44246299

約数列:

[1, 5, 25, 71, 83, 355, 415, 1097, 1775, 2075, 5485, 5893, 27425, 29465, 77887, 91051, 147325, 389435, 455255, 1947175, 2276275, 6464621, 32323105, 161615525]

約数ペア:

[(1, 161615525), (5, 32323105), (25, 6464621), (71, 2276275), (83, 1947175), (355, 455255), (415, 389435), (1097, 147325), (1775, 91051), (2075, 77887), (5485, 29465), (5893, 27425)]