13866815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 18942336

約数和(自身を除く): 5075521

約数列:

[1, 5, 17, 23, 41, 85, 115, 173, 205, 391, 697, 865, 943, 1955, 2941, 3485, 3979, 4715, 7093, 14705, 16031, 19895, 35465, 67643, 80155, 120581, 163139, 338215, 602905, 815695, 2773363, 13866815]

約数ペア:

[(1, 13866815), (5, 2773363), (17, 815695), (23, 602905), (41, 338215), (85, 163139), (115, 120581), (173, 80155), (205, 67643), (391, 35465), (697, 19895), (865, 16031), (943, 14705), (1955, 7093), (2941, 4715), (3485, 3979)]