128400738

素因数分解:

$2^1\times 3^1\times {\mathrm{313}}^1\times {\mathrm{68371}}^1$

素因数の和:68689

約数の個数: 16

約数和(自身を含む): 257625696

約数和(自身を除く): 129224958

約数列:

[1, 2, 3, 6, 313, 626, 939, 1878, 68371, 136742, 205113, 410226, 21400123, 42800246, 64200369, 128400738]

約数ペア:

[(1, 128400738), (2, 64200369), (3, 42800246), (6, 21400123), (313, 410226), (626, 205113), (939, 136742), (1878, 68371)]