16254215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 22049280

約数和(自身を除く): 5795065

約数列:

[1, 5, 19, 23, 43, 95, 115, 173, 215, 437, 817, 865, 989, 2185, 3287, 3979, 4085, 4945, 7439, 16435, 18791, 19895, 37195, 75601, 93955, 141341, 171097, 378005, 706705, 855485, 3250843, 16254215]

約数ペア:

[(1, 16254215), (5, 3250843), (19, 855485), (23, 706705), (43, 378005), (95, 171097), (115, 141341), (173, 93955), (215, 75601), (437, 37195), (817, 19895), (865, 18791), (989, 16435), (2185, 7439), (3287, 4945), (3979, 4085)]