28728470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{168991}}^1$

素因数の和:169015

約数の個数: 16

約数和(自身を含む): 54753408

約数和(自身を除く): 26024938

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 168991, 337982, 844955, 1689910, 2872847, 5745694, 14364235, 28728470]

約数ペア:

[(1, 28728470), (2, 14364235), (5, 5745694), (10, 2872847), (17, 1689910), (34, 844955), (85, 337982), (170, 168991)]