16864589

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1$

素因数の和:201

約数の個数: 24

約数和(自身を含む): 20972160

約数和(自身を除く): 4107571

約数列:

[1, 7, 23, 31, 109, 161, 217, 713, 763, 961, 2507, 3379, 4991, 6727, 17549, 22103, 23653, 77717, 104749, 154721, 544019, 733243, 2409227, 16864589]

約数ペア:

[(1, 16864589), (7, 2409227), (23, 733243), (31, 544019), (109, 154721), (161, 104749), (217, 77717), (713, 23653), (763, 22103), (961, 17549), (2507, 6727), (3379, 4991)]