66764068

素因数分解:

$2^2\times 7^2\times {\mathrm{340633}}^1$

素因数の和:340651

約数の個数: 18

約数和(自身を含む): 135912966

約数和(自身を除く): 69148898

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 340633, 681266, 1362532, 2384431, 4768862, 9537724, 16691017, 33382034, 66764068]

約数ペア:

[(1, 66764068), (2, 33382034), (4, 16691017), (7, 9537724), (14, 4768862), (28, 2384431), (49, 1362532), (98, 681266), (196, 340633)]