81696713

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1571}}^1$

素因数の和:1637

約数の個数: 32

約数和(自身を含む): 108656640

約数和(自身を除く): 26959927

約数列:

[1, 7, 17, 19, 23, 119, 133, 161, 323, 391, 437, 1571, 2261, 2737, 3059, 7429, 10997, 26707, 29849, 36133, 52003, 186949, 208943, 252931, 507433, 614261, 686527, 3552031, 4299827, 4805689, 11670959, 81696713]

約数ペア:

[(1, 81696713), (7, 11670959), (17, 4805689), (19, 4299827), (23, 3552031), (119, 686527), (133, 614261), (161, 507433), (323, 252931), (391, 208943), (437, 186949), (1571, 52003), (2261, 36133), (2737, 29849), (3059, 26707), (7429, 10997)]