64985255

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 83635200

約数和(自身を除く): 18649945

約数列:

[1, 5, 43, 47, 59, 109, 215, 235, 295, 545, 2021, 2537, 2773, 4687, 5123, 6431, 10105, 12685, 13865, 23435, 25615, 32155, 119239, 220289, 276533, 302257, 596195, 1101445, 1382665, 1511285, 12997051, 64985255]

約数ペア:

[(1, 64985255), (5, 12997051), (43, 1511285), (47, 1382665), (59, 1101445), (109, 596195), (215, 302257), (235, 276533), (295, 220289), (545, 119239), (2021, 32155), (2537, 25615), (2773, 23435), (4687, 13865), (5123, 12685), (6431, 10105)]