68972009

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{421}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 76567680

約数和(自身を除く): 7595671

約数列:

[1, 17, 23, 391, 419, 421, 7123, 7157, 9637, 9683, 163829, 164611, 176399, 2998783, 4057177, 68972009]

約数ペア:

[(1, 68972009), (17, 4057177), (23, 2998783), (391, 176399), (419, 164611), (421, 163829), (7123, 9683), (7157, 9637)]