280486906

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{328439}}^1$

素因数の和:328509

約数の個数: 16

約数和(自身を含む): 488718720

約数和(自身を除く): 208231814

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 328439, 656878, 2299073, 4598146, 20034779, 40069558, 140243453, 280486906]

約数ペア:

[(1, 280486906), (2, 140243453), (7, 40069558), (14, 20034779), (61, 4598146), (122, 2299073), (427, 656878), (854, 328439)]