256842

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:778

約数の個数: 24

約数和(自身を含む): 586560

約数和(自身を除く): 329718

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 751, 1502, 2253, 4506, 6759, 13518, 14269, 28538, 42807, 85614, 128421, 256842]

約数ペア:

[(1, 256842), (2, 128421), (3, 85614), (6, 42807), (9, 28538), (18, 14269), (19, 13518), (38, 6759), (57, 4506), (114, 2253), (171, 1502), (342, 751)]