128545576

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{433}}^1\times {\mathrm{863}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 247484160

約数和(自身を除く): 118938584

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 433, 863, 866, 1726, 1732, 3452, 3464, 6904, 18619, 37109, 37238, 74218, 74476, 148436, 148952, 296872, 373679, 747358, 1494716, 2989432, 16068197, 32136394, 64272788, 128545576]

約数ペア:

[(1, 128545576), (2, 64272788), (4, 32136394), (8, 16068197), (43, 2989432), (86, 1494716), (172, 747358), (344, 373679), (433, 296872), (863, 148952), (866, 148436), (1726, 74476), (1732, 74218), (3452, 37238), (3464, 37109), (6904, 18619)]