1287478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1993}}^1$

素因数の和:2031

約数の個数: 16

約数和(自身を含む): 2153520

約数和(自身を除く): 866042

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 1993, 3986, 33881, 37867, 67762, 75734, 643739, 1287478]

約数ペア:

[(1, 1287478), (2, 643739), (17, 75734), (19, 67762), (34, 37867), (38, 33881), (323, 3986), (646, 1993)]