256668

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 609168

約数和(自身を除く): 352500

約数列:

[1, 2, 3, 4, 6, 12, 73, 146, 219, 292, 293, 438, 586, 876, 879, 1172, 1758, 3516, 21389, 42778, 64167, 85556, 128334, 256668]

約数ペア:

[(1, 256668), (2, 128334), (3, 85556), (4, 64167), (6, 42778), (12, 21389), (73, 3516), (146, 1758), (219, 1172), (292, 879), (293, 876), (438, 586)]