1218700864090

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1997870269}}^1$

素因数の和:1997870337

約数の個数: 16

約数和(自身を含む): 2229623221320

約数和(自身を除く): 1010922357230

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 1997870269, 3995740538, 9989351345, 19978702690, 121870086409, 243740172818, 609350432045, 1218700864090]

約数ペア:

[(1, 1218700864090), (2, 609350432045), (5, 243740172818), (10, 121870086409), (61, 19978702690), (122, 9989351345), (305, 3995740538), (610, 1997870269)]