66728620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{476633}}^1$

素因数の和:476649

約数の個数: 24

約数和(自身を含む): 160149024

約数和(自身を除く): 93420404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 476633, 953266, 1906532, 2383165, 3336431, 4766330, 6672862, 9532660, 13345724, 16682155, 33364310, 66728620]

約数ペア:

[(1, 66728620), (2, 33364310), (4, 16682155), (5, 13345724), (7, 9532660), (10, 6672862), (14, 4766330), (20, 3336431), (28, 2383165), (35, 1906532), (70, 953266), (140, 476633)]