12831385

素因数分解:

$5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{631}}^1$

素因数の和:733

約数の個数: 24

約数和(自身を含む): 18156096

約数和(自身を除く): 5324711

約数列:

[1, 5, 7, 35, 49, 83, 245, 415, 581, 631, 2905, 3155, 4067, 4417, 20335, 22085, 30919, 52373, 154595, 261865, 366611, 1833055, 2566277, 12831385]

約数ペア:

[(1, 12831385), (5, 2566277), (7, 1833055), (35, 366611), (49, 261865), (83, 154595), (245, 52373), (415, 30919), (581, 22085), (631, 20335), (2905, 4417), (3155, 4067)]