865930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6661}}^1$

素因数の和:6681

約数の個数: 16

約数和(自身を含む): 1678824

約数和(自身を除く): 812894

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 6661, 13322, 33305, 66610, 86593, 173186, 432965, 865930]

約数ペア:

[(1, 865930), (2, 432965), (5, 173186), (10, 86593), (13, 66610), (26, 33305), (65, 13322), (130, 6661)]