66721787

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 82425600

約数和(自身を除く): 15703813

約数列:

[1, 11, 17, 19, 89, 187, 209, 211, 323, 979, 1513, 1691, 2321, 3553, 3587, 4009, 16643, 18601, 18779, 28747, 39457, 44099, 68153, 206569, 316217, 319243, 356801, 749683, 3511673, 3924811, 6065617, 66721787]

約数ペア:

[(1, 66721787), (11, 6065617), (17, 3924811), (19, 3511673), (89, 749683), (187, 356801), (209, 319243), (211, 316217), (323, 206569), (979, 68153), (1513, 44099), (1691, 39457), (2321, 28747), (3553, 18779), (3587, 18601), (4009, 16643)]