28085772

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1259}}^1$

素因数の和:1303

約数の個数: 72

約数和(自身を含む): 77474880

約数和(自身を除く): 49389108

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 169, 286, 338, 429, 507, 572, 676, 858, 1014, 1259, 1716, 1859, 2028, 2518, 3718, 3777, 5036, 5577, 7436, 7554, 11154, 13849, 15108, 16367, 22308, 27698, 32734, 41547, 49101, 55396, 65468, 83094, 98202, 166188, 180037, 196404, 212771, 360074, 425542, 540111, 638313, 720148, 851084, 1080222, 1276626, 2160444, 2340481, 2553252, 4680962, 7021443, 9361924, 14042886, 28085772]

約数ペア:

[(1, 28085772), (2, 14042886), (3, 9361924), (4, 7021443), (6, 4680962), (11, 2553252), (12, 2340481), (13, 2160444), (22, 1276626), (26, 1080222), (33, 851084), (39, 720148), (44, 638313), (52, 540111), (66, 425542), (78, 360074), (132, 212771), (143, 196404), (156, 180037), (169, 166188), (286, 98202), (338, 83094), (429, 65468), (507, 55396), (572, 49101), (676, 41547), (858, 32734), (1014, 27698), (1259, 22308), (1716, 16367), (1859, 15108), (2028, 13849), (2518, 11154), (3718, 7554), (3777, 7436), (5036, 5577)]