1285648376

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{19267}}^1$

素因数の和:19731

約数の個数: 32

約数和(自身を含む): 2543376000

約数和(自身を除く): 1257727624

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 439, 878, 1756, 3512, 8341, 16682, 19267, 33364, 38534, 66728, 77068, 154136, 366073, 732146, 1464292, 2928584, 8458213, 16916426, 33832852, 67665704, 160706047, 321412094, 642824188, 1285648376]

約数ペア:

[(1, 1285648376), (2, 642824188), (4, 321412094), (8, 160706047), (19, 67665704), (38, 33832852), (76, 16916426), (152, 8458213), (439, 2928584), (878, 1464292), (1756, 732146), (3512, 366073), (8341, 154136), (16682, 77068), (19267, 66728), (33364, 38534)]