28984216

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:603

約数の個数: 32

約数和(自身を含む): 55812240

約数和(自身を除く): 26828024

約数列:

[1, 2, 4, 8, 53, 106, 197, 212, 347, 394, 424, 694, 788, 1388, 1576, 2776, 10441, 18391, 20882, 36782, 41764, 68359, 73564, 83528, 136718, 147128, 273436, 546872, 3623027, 7246054, 14492108, 28984216]

約数ペア:

[(1, 28984216), (2, 14492108), (4, 7246054), (8, 3623027), (53, 546872), (106, 273436), (197, 147128), (212, 136718), (347, 83528), (394, 73564), (424, 68359), (694, 41764), (788, 36782), (1388, 20882), (1576, 18391), (2776, 10441)]