16774945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 23151744

約数和(自身を除く): 6376799

約数列:

[1, 5, 11, 41, 43, 55, 173, 205, 215, 451, 473, 865, 1763, 1903, 2255, 2365, 7093, 7439, 8815, 9515, 19393, 35465, 37195, 78023, 81829, 96965, 304999, 390115, 409145, 1524995, 3354989, 16774945]

約数ペア:

[(1, 16774945), (5, 3354989), (11, 1524995), (41, 409145), (43, 390115), (55, 304999), (173, 96965), (205, 81829), (215, 78023), (451, 37195), (473, 35465), (865, 19393), (1763, 9515), (1903, 8815), (2255, 7439), (2365, 7093)]