16628315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 22809600

約数和(自身を除く): 6181285

約数列:

[1, 5, 11, 43, 55, 79, 89, 215, 395, 445, 473, 869, 979, 2365, 3397, 3827, 4345, 4895, 7031, 16985, 19135, 35155, 37367, 42097, 77341, 186835, 210485, 302333, 386705, 1511665, 3325663, 16628315]

約数ペア:

[(1, 16628315), (5, 3325663), (11, 1511665), (43, 386705), (55, 302333), (79, 210485), (89, 186835), (215, 77341), (395, 42097), (445, 37367), (473, 35155), (869, 19135), (979, 16985), (2365, 7031), (3397, 4895), (3827, 4345)]