1291214018

素因数分解:

$2^1\times {\mathrm{439}}^1\times {\mathrm{647}}^1\times {\mathrm{2273}}^1$

素因数の和:3361

約数の個数: 16

約数和(自身を含む): 1945088640

約数和(自身を除く): 653874622

約数列:

[1, 2, 439, 647, 878, 1294, 2273, 4546, 284033, 568066, 997847, 1470631, 1995694, 2941262, 645607009, 1291214018]

約数ペア:

[(1, 1291214018), (2, 645607009), (439, 2941262), (647, 1995694), (878, 1470631), (1294, 997847), (2273, 568066), (4546, 284033)]