128955964

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{5527}}^1$

素因数の和:5857

約数の個数: 24

約数和(自身を含む): 238367360

約数和(自身を除く): 109411396

約数列:

[1, 2, 4, 19, 38, 76, 307, 614, 1228, 5527, 5833, 11054, 11666, 22108, 23332, 105013, 210026, 420052, 1696789, 3393578, 6787156, 32238991, 64477982, 128955964]

約数ペア:

[(1, 128955964), (2, 64477982), (4, 32238991), (19, 6787156), (38, 3393578), (76, 1696789), (307, 420052), (614, 210026), (1228, 105013), (5527, 23332), (5833, 22108), (11054, 11666)]