28178105

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{4153}}^1$

素因数の和:4240

約数の個数: 16

約数和(自身を含む): 35890560

約数和(自身を除く): 7712455

約数列:

[1, 5, 23, 59, 115, 295, 1357, 4153, 6785, 20765, 95519, 245027, 477595, 1225135, 5635621, 28178105]

約数ペア:

[(1, 28178105), (5, 5635621), (23, 1225135), (59, 477595), (115, 245027), (295, 95519), (1357, 20765), (4153, 6785)]