128065256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 269568000

約数和(自身を除く): 141502744

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 103, 142, 199, 206, 284, 398, 412, 568, 781, 796, 824, 1133, 1562, 1592, 2189, 2266, 3124, 4378, 4532, 6248, 7313, 8756, 9064, 14129, 14626, 17512, 20497, 28258, 29252, 40994, 56516, 58504, 80443, 81988, 113032, 155419, 160886, 163976, 225467, 310838, 321772, 450934, 621676, 643544, 901868, 1243352, 1455287, 1803736, 2910574, 5821148, 11642296, 16008157, 32016314, 64032628, 128065256]

約数ペア:

[(1, 128065256), (2, 64032628), (4, 32016314), (8, 16008157), (11, 11642296), (22, 5821148), (44, 2910574), (71, 1803736), (88, 1455287), (103, 1243352), (142, 901868), (199, 643544), (206, 621676), (284, 450934), (398, 321772), (412, 310838), (568, 225467), (781, 163976), (796, 160886), (824, 155419), (1133, 113032), (1562, 81988), (1592, 80443), (2189, 58504), (2266, 56516), (3124, 40994), (4378, 29252), (4532, 28258), (6248, 20497), (7313, 17512), (8756, 14626), (9064, 14129)]