87717721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{773}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 114428160

約数和(自身を除く): 26710439

約数列:

[1, 7, 13, 29, 43, 91, 203, 301, 377, 559, 773, 1247, 2639, 3913, 5411, 8729, 10049, 16211, 22417, 33239, 70343, 113477, 156919, 232673, 291421, 432107, 963931, 2039947, 3024749, 6747517, 12531103, 87717721]

約数ペア:

[(1, 87717721), (7, 12531103), (13, 6747517), (29, 3024749), (43, 2039947), (91, 963931), (203, 432107), (301, 291421), (377, 232673), (559, 156919), (773, 113477), (1247, 70343), (2639, 33239), (3913, 22417), (5411, 16211), (8729, 10049)]