209236

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{181}}^1$

素因数の和:219

約数の個数: 18

約数和(自身を含む): 391118

約数和(自身を除く): 181882

約数列:

[1, 2, 4, 17, 34, 68, 181, 289, 362, 578, 724, 1156, 3077, 6154, 12308, 52309, 104618, 209236]

約数ペア:

[(1, 209236), (2, 104618), (4, 52309), (17, 12308), (34, 6154), (68, 3077), (181, 1156), (289, 724), (362, 578)]