81708410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{10909}}^1$

素因数の和:11030

約数の個数: 32

約数和(自身を含む): 169672320

約数和(自身を除く): 87963910

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 3745, 7490, 10909, 21818, 54545, 76363, 109090, 152726, 381815, 763630, 1167263, 2334526, 5836315, 8170841, 11672630, 16341682, 40854205, 81708410]

約数ペア:

[(1, 81708410), (2, 40854205), (5, 16341682), (7, 11672630), (10, 8170841), (14, 5836315), (35, 2334526), (70, 1167263), (107, 763630), (214, 381815), (535, 152726), (749, 109090), (1070, 76363), (1498, 54545), (3745, 21818), (7490, 10909)]