128972276

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{3323}}^1$

素因数の和:3671

約数の個数: 24

約数和(自身を含む): 233796864

約数和(自身を除く): 104824588

約数列:

[1, 2, 4, 31, 62, 124, 313, 626, 1252, 3323, 6646, 9703, 13292, 19406, 38812, 103013, 206026, 412052, 1040099, 2080198, 4160396, 32243069, 64486138, 128972276]

約数ペア:

[(1, 128972276), (2, 64486138), (4, 32243069), (31, 4160396), (62, 2080198), (124, 1040099), (313, 412052), (626, 206026), (1252, 103013), (3323, 38812), (6646, 19406), (9703, 13292)]