12890828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{647}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 24004512

約数和(自身を除く): 11113684

約数列:

[1, 2, 4, 17, 34, 68, 293, 586, 647, 1172, 1294, 2588, 4981, 9962, 10999, 19924, 21998, 43996, 189571, 379142, 758284, 3222707, 6445414, 12890828]

約数ペア:

[(1, 12890828), (2, 6445414), (4, 3222707), (17, 758284), (34, 379142), (68, 189571), (293, 43996), (586, 21998), (647, 19924), (1172, 10999), (1294, 9962), (2588, 4981)]