138213215

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{55619}}^1$

素因数の和:55702

約数の個数: 16

約数和(自身を含む): 192222720

約数和(自身を除く): 54009505

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 55619, 278095, 389333, 1946665, 3948949, 19744745, 27642643, 138213215]

約数ペア:

[(1, 138213215), (5, 27642643), (7, 19744745), (35, 3948949), (71, 1946665), (355, 389333), (497, 278095), (2485, 55619)]