66724895

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 81354240

約数和(自身を除く): 14629345

約数列:

[1, 5, 109, 191, 545, 641, 955, 3205, 20819, 69869, 104095, 122431, 349345, 612155, 13344979, 66724895]

約数ペア:

[(1, 66724895), (5, 13344979), (109, 612155), (191, 349345), (545, 122431), (641, 104095), (955, 69869), (3205, 20819)]