81654235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{8431}}^1$

素因数の和:8598

約数の個数: 16

約数和(自身を含む): 106243200

約数和(自身を除く): 24588965

約数列:

[1, 5, 13, 65, 149, 745, 1937, 8431, 9685, 42155, 109603, 548015, 1256219, 6281095, 16330847, 81654235]

約数ペア:

[(1, 81654235), (5, 16330847), (13, 6281095), (65, 1256219), (149, 548015), (745, 109603), (1937, 42155), (8431, 9685)]