68775421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1549

約数の個数: 32

約数和(自身を含む): 90115200

約数和(自身を除く): 21339779

約数列:

[1, 11, 13, 17, 19, 143, 187, 209, 221, 247, 323, 1489, 2431, 2717, 3553, 4199, 16379, 19357, 25313, 28291, 46189, 212927, 278443, 311201, 329069, 367783, 480947, 3619759, 4045613, 5290417, 6252311, 68775421]

約数ペア:

[(1, 68775421), (11, 6252311), (13, 5290417), (17, 4045613), (19, 3619759), (143, 480947), (187, 367783), (209, 329069), (221, 311201), (247, 278443), (323, 212927), (1489, 46189), (2431, 28291), (2717, 25313), (3553, 19357), (4199, 16379)]