128244985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{75217}}^1$

素因数の和:75264

約数の個数: 16

約数和(自身を含む): 173302272

約数和(自身を除く): 45057287

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 75217, 376085, 827387, 2331727, 4136935, 11658635, 25648997, 128244985]

約数ペア:

[(1, 128244985), (5, 25648997), (11, 11658635), (31, 4136935), (55, 2331727), (155, 827387), (341, 376085), (1705, 75217)]