81317086

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{269}}^1\times {\mathrm{523}}^1$

素因数の和:828

約数の個数: 24

約数和(自身を含む): 130303080

約数和(自身を除く): 48985994

約数列:

[1, 2, 17, 34, 269, 289, 523, 538, 578, 1046, 4573, 8891, 9146, 17782, 77741, 140687, 151147, 155482, 281374, 302294, 2391679, 4783358, 40658543, 81317086]

約数ペア:

[(1, 81317086), (2, 40658543), (17, 4783358), (34, 2391679), (269, 302294), (289, 281374), (523, 155482), (538, 151147), (578, 140687), (1046, 77741), (4573, 17782), (8891, 9146)]