172389554

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{220447}}^1$

素因数の和:220489

約数の個数: 16

約数和(自身を含む): 285700608

約数和(自身を除く): 113311054

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 220447, 440894, 3747599, 5070281, 7495198, 10140562, 86194777, 172389554]

約数ペア:

[(1, 172389554), (2, 86194777), (17, 10140562), (23, 7495198), (34, 5070281), (46, 3747599), (391, 440894), (782, 220447)]