180908068

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{373777}}^1$

素因数の和:373803

約数の個数: 18

約数和(自身を含む): 347987318

約数和(自身を除く): 167079250

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 373777, 747554, 1495108, 4111547, 8223094, 16446188, 45227017, 90454034, 180908068]

約数ペア:

[(1, 180908068), (2, 90454034), (4, 45227017), (11, 16446188), (22, 8223094), (44, 4111547), (121, 1495108), (242, 747554), (484, 373777)]