637328

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:722

約数の個数: 20

約数和(自身を含む): 1256988

約数和(自身を除く): 619660

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 653, 976, 1306, 2612, 5224, 10448, 39833, 79666, 159332, 318664, 637328]

約数ペア:

[(1, 637328), (2, 318664), (4, 159332), (8, 79666), (16, 39833), (61, 10448), (122, 5224), (244, 2612), (488, 1306), (653, 976)]