81284324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{4409}}^1$

素因数の和:4843

約数の個数: 24

約数和(自身を含む): 155584800

約数和(自身を除く): 74300476

約数列:

[1, 2, 4, 11, 22, 44, 419, 838, 1676, 4409, 4609, 8818, 9218, 17636, 18436, 48499, 96998, 193996, 1847371, 3694742, 7389484, 20321081, 40642162, 81284324]

約数ペア:

[(1, 81284324), (2, 40642162), (4, 20321081), (11, 7389484), (22, 3694742), (44, 1847371), (419, 193996), (838, 96998), (1676, 48499), (4409, 18436), (4609, 17636), (8818, 9218)]