68727988

素因数分解:

$2^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{3217}}^1$

素因数の和:3344

約数の個数: 36

約数和(自身を含む): 141238020

約数和(自身を除く): 72510032

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 109, 196, 218, 436, 763, 1526, 3052, 3217, 5341, 6434, 10682, 12868, 21364, 22519, 45038, 90076, 157633, 315266, 350653, 630532, 701306, 1402612, 2454571, 4909142, 9818284, 17181997, 34363994, 68727988]

約数ペア:

[(1, 68727988), (2, 34363994), (4, 17181997), (7, 9818284), (14, 4909142), (28, 2454571), (49, 1402612), (98, 701306), (109, 630532), (196, 350653), (218, 315266), (436, 157633), (763, 90076), (1526, 45038), (3052, 22519), (3217, 21364), (5341, 12868), (6434, 10682)]