81252899

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{2131}}^1$

素因数の和:2570

約数の個数: 16

約数和(自身を含む): 100289280

約数和(自身を除く): 19036381

約数列:

[1, 7, 13, 91, 419, 2131, 2933, 5447, 14917, 27703, 38129, 193921, 892889, 6250223, 11607557, 81252899]

約数ペア:

[(1, 81252899), (7, 11607557), (13, 6250223), (91, 892889), (419, 193921), (2131, 38129), (2933, 27703), (5447, 14917)]