80381132

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{118907}}^1$

素因数の和:118937

約数の個数: 18

約数和(自身を含む): 152321148

約数和(自身を除く): 71940016

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 118907, 237814, 475628, 1545791, 3091582, 6183164, 20095283, 40190566, 80381132]

約数ペア:

[(1, 80381132), (2, 40190566), (4, 20095283), (13, 6183164), (26, 3091582), (52, 1545791), (169, 475628), (338, 237814), (676, 118907)]