656305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:480

約数の個数: 16

約数和(自身を含む): 887040

約数和(自身を除く): 230735

約数列:

[1, 5, 13, 23, 65, 115, 299, 439, 1495, 2195, 5707, 10097, 28535, 50485, 131261, 656305]

約数ペア:

[(1, 656305), (5, 131261), (13, 50485), (23, 28535), (65, 10097), (115, 5707), (299, 2195), (439, 1495)]