389045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:244

約数の個数: 16

約数和(自身を含む): 518400

約数和(自身を除く): 129355

約数列:

[1, 5, 17, 23, 85, 115, 199, 391, 995, 1955, 3383, 4577, 16915, 22885, 77809, 389045]

約数ペア:

[(1, 389045), (5, 77809), (17, 22885), (23, 16915), (85, 4577), (115, 3383), (199, 1955), (391, 995)]