209780918

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{143489}}^1$

素因数の和:143551

約数の個数: 16

約数和(自身を含む): 340932240

約数和(自身を除く): 131151322

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 143489, 286978, 2439313, 4878626, 6170027, 12340054, 104890459, 209780918]

約数ペア:

[(1, 209780918), (2, 104890459), (17, 12340054), (34, 6170027), (43, 4878626), (86, 2439313), (731, 286978), (1462, 143489)]