28905835

素因数分解:

$5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{929}}^1$

素因数の和:1075

約数の個数: 24

約数和(自身を含む): 40711680

約数和(自身を除く): 11805845

約数列:

[1, 5, 7, 35, 49, 127, 245, 635, 889, 929, 4445, 4645, 6223, 6503, 31115, 32515, 45521, 117983, 227605, 589915, 825881, 4129405, 5781167, 28905835]

約数ペア:

[(1, 28905835), (5, 5781167), (7, 4129405), (35, 825881), (49, 589915), (127, 227605), (245, 117983), (635, 45521), (889, 32515), (929, 31115), (4445, 6503), (4645, 6223)]