28269904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{135913}}^1$

素因数の和:135934

約数の個数: 20

約数和(自身を含む): 58986676

約数和(自身を除く): 30716772

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 135913, 271826, 543652, 1087304, 1766869, 2174608, 3533738, 7067476, 14134952, 28269904]

約数ペア:

[(1, 28269904), (2, 14134952), (4, 7067476), (8, 3533738), (13, 2174608), (16, 1766869), (26, 1087304), (52, 543652), (104, 271826), (208, 135913)]