28797164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{809}}^2$

素因数の和:1633

約数の個数: 18

約数和(自身を含む): 55044444

約数和(自身を除く): 26247280

約数列:

[1, 2, 4, 11, 22, 44, 809, 1618, 3236, 8899, 17798, 35596, 654481, 1308962, 2617924, 7199291, 14398582, 28797164]

約数ペア:

[(1, 28797164), (2, 14398582), (4, 7199291), (11, 2617924), (22, 1308962), (44, 654481), (809, 35596), (1618, 17798), (3236, 8899)]