81907712

素因数分解:

$2^{12}\times {\mathrm{19997}}^1$

素因数の和:20021

約数の個数: 26

約数和(自身を含む): 163803618

約数和(自身を除く): 81895906

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 19997, 39994, 79988, 159976, 319952, 639904, 1279808, 2559616, 5119232, 10238464, 20476928, 40953856, 81907712]

約数ペア:

[(1, 81907712), (2, 40953856), (4, 20476928), (8, 10238464), (16, 5119232), (32, 2559616), (64, 1279808), (128, 639904), (256, 319952), (512, 159976), (1024, 79988), (2048, 39994), (4096, 19997)]