28338730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{709}}^1$

素因数の和:1294

約数の個数: 32

約数和(自身を含む): 58481280

約数和(自身を除く): 30142550

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 571, 709, 1142, 1418, 2855, 3545, 3997, 4963, 5710, 7090, 7994, 9926, 19985, 24815, 39970, 49630, 404839, 809678, 2024195, 2833873, 4048390, 5667746, 14169365, 28338730]

約数ペア:

[(1, 28338730), (2, 14169365), (5, 5667746), (7, 4048390), (10, 2833873), (14, 2024195), (35, 809678), (70, 404839), (571, 49630), (709, 39970), (1142, 24815), (1418, 19985), (2855, 9926), (3545, 7994), (3997, 7090), (4963, 5710)]