12861385

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3659}}^1$

素因数の和:3720

約数の個数: 16

約数和(自身を含む): 16689600

約数和(自身を除く): 3828215

約数列:

[1, 5, 19, 37, 95, 185, 703, 3515, 3659, 18295, 69521, 135383, 347605, 676915, 2572277, 12861385]

約数ペア:

[(1, 12861385), (5, 2572277), (19, 676915), (37, 347605), (95, 135383), (185, 69521), (703, 18295), (3515, 3659)]