78687364

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{68543}}^1$

素因数の和:68595

約数の個数: 24

約数和(自身を含む): 161215488

約数和(自身を除く): 82528124

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 68543, 137086, 274172, 479801, 959602, 1919204, 2810263, 5620526, 11241052, 19671841, 39343682, 78687364]

約数ペア:

[(1, 78687364), (2, 39343682), (4, 19671841), (7, 11241052), (14, 5620526), (28, 2810263), (41, 1919204), (82, 959602), (164, 479801), (287, 274172), (574, 137086), (1148, 68543)]