642404798

素因数分解:

$2^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{60139}}^1$

素因数の和:60264

約数の個数: 24

約数和(自身を含む): 1131233400

約数和(自身を除く): 488828602

約数列:

[1, 2, 7, 14, 49, 98, 109, 218, 763, 1526, 5341, 10682, 60139, 120278, 420973, 841946, 2946811, 5893622, 6555151, 13110302, 45886057, 91772114, 321202399, 642404798]

約数ペア:

[(1, 642404798), (2, 321202399), (7, 91772114), (14, 45886057), (49, 13110302), (98, 6555151), (109, 5893622), (218, 2946811), (763, 841946), (1526, 420973), (5341, 120278), (10682, 60139)]