1294020139024

素因数分解:

$2^4\times {\mathrm{2003}}^1\times {\mathrm{40377563}}^1$

素因数の和:40379574

約数の個数: 20

約数和(自身を含む): 2508415785936

約数和(自身を除く): 1214395646912

約数列:

[1, 2, 4, 8, 16, 2003, 4006, 8012, 16024, 32048, 40377563, 80755126, 161510252, 323020504, 646041008, 80876258689, 161752517378, 323505034756, 647010069512, 1294020139024]

約数ペア:

[(1, 1294020139024), (2, 647010069512), (4, 323505034756), (8, 161752517378), (16, 80876258689), (2003, 646041008), (4006, 323020504), (8012, 161510252), (16024, 80755126), (32048, 40377563)]