28841278

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 47579040

約数和(自身を除く): 18737762

約数列:

[1, 2, 19, 37, 38, 73, 74, 146, 281, 562, 703, 1387, 1406, 2701, 2774, 5339, 5402, 10397, 10678, 20513, 20794, 41026, 51319, 102638, 197543, 389747, 395086, 758981, 779494, 1517962, 14420639, 28841278]

約数ペア:

[(1, 28841278), (2, 14420639), (19, 1517962), (37, 779494), (38, 758981), (73, 395086), (74, 389747), (146, 197543), (281, 102638), (562, 51319), (703, 41026), (1387, 20794), (1406, 20513), (2701, 10678), (2774, 10397), (5339, 5402)]