28057990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{165047}}^1$

素因数の和:165071

約数の個数: 16

約数和(自身を含む): 53475552

約数和(自身を除く): 25417562

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 165047, 330094, 825235, 1650470, 2805799, 5611598, 14028995, 28057990]

約数ペア:

[(1, 28057990), (2, 14028995), (5, 5611598), (10, 2805799), (17, 1650470), (34, 825235), (85, 330094), (170, 165047)]