28753892

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{691}}^1$

素因数の和:899

約数の個数: 24

約数和(自身を含む): 51385152

約数和(自身を除く): 22631260

約数列:

[1, 2, 4, 101, 103, 202, 206, 404, 412, 691, 1382, 2764, 10403, 20806, 41612, 69791, 71173, 139582, 142346, 279164, 284692, 7188473, 14376946, 28753892]

約数ペア:

[(1, 28753892), (2, 14376946), (4, 7188473), (101, 284692), (103, 279164), (202, 142346), (206, 139582), (404, 71173), (412, 69791), (691, 41612), (1382, 20806), (2764, 10403)]