81267212

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{751}}^1\times {\mathrm{2081}}^1$

素因数の和:2849

約数の個数: 24

約数和(自身を含む): 153435072

約数和(自身を除く): 72167860

約数列:

[1, 2, 4, 13, 26, 52, 751, 1502, 2081, 3004, 4162, 8324, 9763, 19526, 27053, 39052, 54106, 108212, 1562831, 3125662, 6251324, 20316803, 40633606, 81267212]

約数ペア:

[(1, 81267212), (2, 40633606), (4, 20316803), (13, 6251324), (26, 3125662), (52, 1562831), (751, 108212), (1502, 54106), (2081, 39052), (3004, 27053), (4162, 19526), (8324, 9763)]