68705021

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 89579520

約数和(自身を除く): 20874499

約数列:

[1, 7, 11, 31, 77, 107, 217, 269, 341, 749, 1177, 1883, 2387, 2959, 3317, 8239, 8339, 20713, 23219, 28783, 36487, 58373, 91729, 201481, 255409, 316613, 642103, 892273, 2216291, 6245911, 9815003, 68705021]

約数ペア:

[(1, 68705021), (7, 9815003), (11, 6245911), (31, 2216291), (77, 892273), (107, 642103), (217, 316613), (269, 255409), (341, 201481), (749, 91729), (1177, 58373), (1883, 36487), (2387, 28783), (2959, 23219), (3317, 20713), (8239, 8339)]