1279553786

素因数分解:

$2^1\times 7^1\times {\mathrm{1997}}^1\times {\mathrm{45767}}^1$

素因数の和:47773

約数の個数: 16

約数和(自身を含む): 2194667136

約数和(自身を除く): 915113350

約数列:

[1, 2, 7, 14, 1997, 3994, 13979, 27958, 45767, 91534, 320369, 640738, 91396699, 182793398, 639776893, 1279553786]

約数ペア:

[(1, 1279553786), (2, 639776893), (7, 182793398), (14, 91396699), (1997, 640738), (3994, 320369), (13979, 91534), (27958, 45767)]