28804334

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20903}}^1$

素因数の和:20971

約数の個数: 16

約数和(自身を含む): 47410272

約数和(自身を除く): 18605938

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 20903, 41806, 271739, 543478, 1107859, 2215718, 14402167, 28804334]

約数ペア:

[(1, 28804334), (2, 14402167), (13, 2215718), (26, 1107859), (53, 543478), (106, 271739), (689, 41806), (1378, 20903)]