128869424

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{32089}}^1$

素因数の和:32348

約数の個数: 20

約数和(自身を含む): 250687080

約数和(自身を除く): 121817656

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 32089, 64178, 128356, 256712, 513424, 8054339, 16108678, 32217356, 64434712, 128869424]

約数ペア:

[(1, 128869424), (2, 64434712), (4, 32217356), (8, 16108678), (16, 8054339), (251, 513424), (502, 256712), (1004, 128356), (2008, 64178), (4016, 32089)]