861808

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{883}}^1$

素因数の和:952

約数の個数: 20

約数和(自身を含む): 1699048

約数和(自身を除く): 837240

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 883, 976, 1766, 3532, 7064, 14128, 53863, 107726, 215452, 430904, 861808]

約数ペア:

[(1, 861808), (2, 430904), (4, 215452), (8, 107726), (16, 53863), (61, 14128), (122, 7064), (244, 3532), (488, 1766), (883, 976)]