11984915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 16511040

約数和(自身を除く): 4526125

約数列:

[1, 5, 17, 19, 41, 85, 95, 181, 205, 323, 697, 779, 905, 1615, 3077, 3439, 3485, 3895, 7421, 13243, 15385, 17195, 37105, 58463, 66215, 126157, 140999, 292315, 630785, 704995, 2396983, 11984915]

約数ペア:

[(1, 11984915), (5, 2396983), (17, 704995), (19, 630785), (41, 292315), (85, 140999), (95, 126157), (181, 66215), (205, 58463), (323, 37105), (697, 17195), (779, 15385), (905, 13243), (1615, 7421), (3077, 3895), (3439, 3485)]