28939144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{278261}}^1$

素因数の和:278280

約数の個数: 16

約数和(自身を含む): 58435020

約数和(自身を除く): 29495876

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 278261, 556522, 1113044, 2226088, 3617393, 7234786, 14469572, 28939144]

約数ペア:

[(1, 28939144), (2, 14469572), (4, 7234786), (8, 3617393), (13, 2226088), (26, 1113044), (52, 556522), (104, 278261)]