81195376

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{32323}}^1$

素因数の和:32488

約数の個数: 20

約数和(自身を含む): 158322952

約数和(自身を除く): 77127576

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 32323, 64646, 129292, 258584, 517168, 5074711, 10149422, 20298844, 40597688, 81195376]

約数ペア:

[(1, 81195376), (2, 40597688), (4, 20298844), (8, 10149422), (16, 5074711), (157, 517168), (314, 258584), (628, 129292), (1256, 64646), (2512, 32323)]