28403974

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43969}}^1$

素因数の和:44007

約数の個数: 16

約数和(自身を含む): 47487600

約数和(自身を除く): 19083626

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 43969, 87938, 747473, 835411, 1494946, 1670822, 14201987, 28403974]

約数ペア:

[(1, 28403974), (2, 14201987), (17, 1670822), (19, 1494946), (34, 835411), (38, 747473), (323, 87938), (646, 43969)]