399427556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{313031}}^1$

素因数の和:313075

約数の個数: 24

約数和(自身を含む): 788840640

約数和(自身を除く): 389413084

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 313031, 626062, 1252124, 3443341, 6886682, 9077899, 13773364, 18155798, 36311596, 99856889, 199713778, 399427556]

約数ペア:

[(1, 399427556), (2, 199713778), (4, 99856889), (11, 36311596), (22, 18155798), (29, 13773364), (44, 9077899), (58, 6886682), (116, 3443341), (319, 1252124), (638, 626062), (1276, 313031)]