39680641

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 54432000

約数和(自身を除く): 14751359

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 343, 539, 637, 809, 1001, 3773, 4459, 5663, 7007, 8899, 10517, 39641, 49049, 62293, 73619, 115687, 277487, 436051, 515333, 809809, 3052357, 3607331, 5668663, 39680641]

約数ペア:

[(1, 39680641), (7, 5668663), (11, 3607331), (13, 3052357), (49, 809809), (77, 515333), (91, 436051), (143, 277487), (343, 115687), (539, 73619), (637, 62293), (809, 49049), (1001, 39641), (3773, 10517), (4459, 8899), (5663, 7007)]