64470328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19997}}^1$

素因数の和:20047

約数の個数: 32

約数和(自身を含む): 134386560

約数和(自身を除く): 69916232

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 19997, 39994, 79988, 159976, 259961, 519922, 619907, 1039844, 1239814, 2079688, 2479628, 4959256, 8058791, 16117582, 32235164, 64470328]

約数ペア:

[(1, 64470328), (2, 32235164), (4, 16117582), (8, 8058791), (13, 4959256), (26, 2479628), (31, 2079688), (52, 1239814), (62, 1039844), (104, 619907), (124, 519922), (248, 259961), (403, 159976), (806, 79988), (1612, 39994), (3224, 19997)]