87187919

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{3643}}^1$

素因数の和:3926

約数の個数: 16

約数和(自身を含む): 107745792

約数和(自身を除く): 20557873

約数列:

[1, 7, 13, 91, 263, 1841, 3419, 3643, 23933, 25501, 47359, 331513, 958109, 6706763, 12455417, 87187919]

約数ペア:

[(1, 87187919), (7, 12455417), (13, 6706763), (91, 958109), (263, 331513), (1841, 47359), (3419, 25501), (3643, 23933)]