13209385

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 18957312

約数和(自身を除く): 5747927

約数列:

[1, 5, 7, 35, 43, 67, 131, 215, 301, 335, 469, 655, 917, 1505, 2345, 2881, 4585, 5633, 8777, 14405, 20167, 28165, 39431, 43885, 61439, 100835, 197155, 307195, 377411, 1887055, 2641877, 13209385]

約数ペア:

[(1, 13209385), (5, 2641877), (7, 1887055), (35, 377411), (43, 307195), (67, 197155), (131, 100835), (215, 61439), (301, 43885), (335, 39431), (469, 28165), (655, 20167), (917, 14405), (1505, 8777), (2345, 5633), (2881, 4585)]