291211717

素因数分解:

${\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 325901376

約数和(自身を除く): 34689659

約数列:

[1, 17, 23, 193, 227, 289, 391, 3281, 3859, 4439, 5221, 6647, 43811, 55777, 65603, 75463, 88757, 744787, 1007653, 1282871, 1508869, 12661379, 17130101, 291211717]

約数ペア:

[(1, 291211717), (17, 17130101), (23, 12661379), (193, 1508869), (227, 1282871), (289, 1007653), (391, 744787), (3281, 88757), (3859, 75463), (4439, 65603), (5221, 55777), (6647, 43811)]