66983225

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 85768320

約数和(自身を除く): 18785095

約数列:

[1, 5, 25, 47, 109, 235, 523, 545, 1175, 2615, 2725, 5123, 13075, 24581, 25615, 57007, 122905, 128075, 285035, 614525, 1425175, 2679329, 13396645, 66983225]

約数ペア:

[(1, 66983225), (5, 13396645), (25, 2679329), (47, 1425175), (109, 614525), (235, 285035), (523, 128075), (545, 122905), (1175, 57007), (2615, 25615), (2725, 24581), (5123, 13075)]