81125005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{2843}}^1$

素因数の和:3300

約数の個数: 16

約数和(自身を含む): 105114240

約数和(自身を除く): 23989235

約数列:

[1, 5, 13, 65, 439, 2195, 2843, 5707, 14215, 28535, 36959, 184795, 1248077, 6240385, 16225001, 81125005]

約数ペア:

[(1, 81125005), (5, 16225001), (13, 6240385), (65, 1248077), (439, 184795), (2195, 36959), (2843, 28535), (5707, 14215)]