77966225

素因数分解:

$5^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 99413280

約数和(自身を除く): 21447055

約数列:

[1, 5, 25, 67, 89, 335, 445, 523, 1675, 2225, 2615, 5963, 13075, 29815, 35041, 46547, 149075, 175205, 232735, 876025, 1163675, 3118649, 15593245, 77966225]

約数ペア:

[(1, 77966225), (5, 15593245), (25, 3118649), (67, 1163675), (89, 876025), (335, 232735), (445, 175205), (523, 149075), (1675, 46547), (2225, 35041), (2615, 29815), (5963, 13075)]