28087596

素因数分解:

$2^2\times 3^2\times {\mathrm{780211}}^1$

素因数の和:780221

約数の個数: 18

約数和(自身を含む): 70999292

約数和(自身を除く): 42911696

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 780211, 1560422, 2340633, 3120844, 4681266, 7021899, 9362532, 14043798, 28087596]

約数ペア:

[(1, 28087596), (2, 14043798), (3, 9362532), (4, 7021899), (6, 4681266), (9, 3120844), (12, 2340633), (18, 1560422), (36, 780211)]