211236985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{1489}}^1\times {\mathrm{1669}}^1$

素因数の和:3180

約数の個数: 16

約数和(自身を含む): 268736400

約数和(自身を除く): 57499415

約数列:

[1, 5, 17, 85, 1489, 1669, 7445, 8345, 25313, 28373, 126565, 141865, 2485141, 12425705, 42247397, 211236985]

約数ペア:

[(1, 211236985), (5, 42247397), (17, 12425705), (85, 2485141), (1489, 141865), (1669, 126565), (7445, 28373), (8345, 25313)]