28865694

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1979}}^1$

素因数の和:2025

約数の個数: 64

約数和(自身を含む): 71850240

約数和(自身を除く): 42984546

約数列:

[1, 2, 3, 6, 11, 13, 17, 22, 26, 33, 34, 39, 51, 66, 78, 102, 143, 187, 221, 286, 374, 429, 442, 561, 663, 858, 1122, 1326, 1979, 2431, 3958, 4862, 5937, 7293, 11874, 14586, 21769, 25727, 33643, 43538, 51454, 65307, 67286, 77181, 100929, 130614, 154362, 201858, 282997, 370073, 437359, 565994, 740146, 848991, 874718, 1110219, 1312077, 1697982, 2220438, 2624154, 4810949, 9621898, 14432847, 28865694]

約数ペア:

[(1, 28865694), (2, 14432847), (3, 9621898), (6, 4810949), (11, 2624154), (13, 2220438), (17, 1697982), (22, 1312077), (26, 1110219), (33, 874718), (34, 848991), (39, 740146), (51, 565994), (66, 437359), (78, 370073), (102, 282997), (143, 201858), (187, 154362), (221, 130614), (286, 100929), (374, 77181), (429, 67286), (442, 65307), (561, 51454), (663, 43538), (858, 33643), (1122, 25727), (1326, 21769), (1979, 14586), (2431, 11874), (3958, 7293), (4862, 5937)]