28355418

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2473}}^1$

素因数の和:2508

約数の個数: 72

約数和(自身を含む): 76995828

約数和(自身を除く): 48640410

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1911, 2473, 3822, 4946, 5733, 7419, 11466, 14838, 17311, 22257, 32149, 34622, 44514, 51933, 64298, 96447, 103866, 121177, 155799, 192894, 225043, 242354, 289341, 311598, 363531, 450086, 578682, 675129, 727062, 1090593, 1350258, 1575301, 2025387, 2181186, 3150602, 4050774, 4725903, 9451806, 14177709, 28355418]

約数ペア:

[(1, 28355418), (2, 14177709), (3, 9451806), (6, 4725903), (7, 4050774), (9, 3150602), (13, 2181186), (14, 2025387), (18, 1575301), (21, 1350258), (26, 1090593), (39, 727062), (42, 675129), (49, 578682), (63, 450086), (78, 363531), (91, 311598), (98, 289341), (117, 242354), (126, 225043), (147, 192894), (182, 155799), (234, 121177), (273, 103866), (294, 96447), (441, 64298), (546, 51933), (637, 44514), (819, 34622), (882, 32149), (1274, 22257), (1638, 17311), (1911, 14838), (2473, 11466), (3822, 7419), (4946, 5733)]