280346872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{2695643}}^1$

素因数の和:2695662

約数の個数: 16

約数和(自身を含む): 566085240

約数和(自身を除く): 285738368

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 2695643, 5391286, 10782572, 21565144, 35043359, 70086718, 140173436, 280346872]

約数ペア:

[(1, 280346872), (2, 140173436), (4, 70086718), (8, 35043359), (13, 21565144), (26, 10782572), (52, 5391286), (104, 2695643)]