68845609

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1\times {\mathrm{389}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 79896960

約数和(自身を除く): 11051351

約数列:

[1, 7, 131, 193, 389, 917, 1351, 2723, 25283, 50959, 75077, 176981, 356713, 525539, 9835087, 68845609]

約数ペア:

[(1, 68845609), (7, 9835087), (131, 525539), (193, 356713), (389, 176981), (917, 75077), (1351, 50959), (2723, 25283)]