256804626

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{251}}^1\times {\mathrm{1009}}^1$

素因数の和:1291

約数の個数: 48

約数和(自身を含む): 558925920

約数和(自身を除く): 302121294

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 251, 338, 502, 507, 753, 1009, 1014, 1506, 2018, 3027, 3263, 6054, 6526, 9789, 13117, 19578, 26234, 39351, 42419, 78702, 84838, 127257, 170521, 253259, 254514, 341042, 506518, 511563, 759777, 1023126, 1519554, 3292367, 6584734, 9877101, 19754202, 42800771, 85601542, 128402313, 256804626]

約数ペア:

[(1, 256804626), (2, 128402313), (3, 85601542), (6, 42800771), (13, 19754202), (26, 9877101), (39, 6584734), (78, 3292367), (169, 1519554), (251, 1023126), (338, 759777), (502, 511563), (507, 506518), (753, 341042), (1009, 254514), (1014, 253259), (1506, 170521), (2018, 127257), (3027, 84838), (3263, 78702), (6054, 42419), (6526, 39351), (9789, 26234), (13117, 19578)]