64190987

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{15569}}^1$

素因数の和:15626

約数の個数: 16

約数和(自身を含む): 79718400

約数和(自身を除く): 15527413

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 15569, 108983, 295811, 482639, 2070677, 3378473, 9170141, 64190987]

約数ペア:

[(1, 64190987), (7, 9170141), (19, 3378473), (31, 2070677), (133, 482639), (217, 295811), (589, 108983), (4123, 15569)]