3977207

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 16

約数和(自身を含む): 4515840

約数和(自身を除く): 538633

約数列:

[1, 13, 31, 71, 139, 403, 923, 1807, 2201, 4309, 9869, 28613, 56017, 128297, 305939, 3977207]

約数ペア:

[(1, 3977207), (13, 305939), (31, 128297), (71, 56017), (139, 28613), (403, 9869), (923, 4309), (1807, 2201)]