280131748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173779}}^1$

素因数の和:173827

約数の個数: 24

約数和(自身を含む): 544974080

約数和(自身を除く): 264842332

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 173779, 347558, 695116, 2259127, 4518254, 5387149, 9036508, 10774298, 21548596, 70032937, 140065874, 280131748]

約数ペア:

[(1, 280131748), (2, 140065874), (4, 70032937), (13, 21548596), (26, 10774298), (31, 9036508), (52, 5387149), (62, 4518254), (124, 2259127), (403, 695116), (806, 347558), (1612, 173779)]