28478714

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{6571}}^1$

素因数の和:6781

約数の個数: 16

約数和(自身を含む): 46845216

約数和(自身を除く): 18366502

約数列:

[1, 2, 11, 22, 197, 394, 2167, 4334, 6571, 13142, 72281, 144562, 1294487, 2588974, 14239357, 28478714]

約数ペア:

[(1, 28478714), (2, 14239357), (11, 2588974), (22, 1294487), (197, 144562), (394, 72281), (2167, 13142), (4334, 6571)]