217945825

素因数分解:

$5^2\times {\mathrm{1153}}^1\times {\mathrm{7561}}^1$

素因数の和:8724

約数の個数: 12

約数和(自身を含む): 270522988

約数和(自身を除く): 52577163

約数列:

[1, 5, 25, 1153, 5765, 7561, 28825, 37805, 189025, 8717833, 43589165, 217945825]

約数ペア:

[(1, 217945825), (5, 43589165), (25, 8717833), (1153, 189025), (5765, 37805), (7561, 28825)]