28870028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{15259}}^1$

素因数の和:15317

約数の個数: 24

約数和(自身を含む): 56400960

約数和(自身を除く): 27530932

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 15259, 30518, 61036, 167849, 335698, 656137, 671396, 1312274, 2624548, 7217507, 14435014, 28870028]

約数ペア:

[(1, 28870028), (2, 14435014), (4, 7217507), (11, 2624548), (22, 1312274), (43, 671396), (44, 656137), (86, 335698), (172, 167849), (473, 61036), (946, 30518), (1892, 15259)]