28112812

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{457}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 61042240

約数和(自身を除く): 32929428

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 457, 676, 914, 1183, 1828, 2197, 2366, 3199, 4394, 4732, 5941, 6398, 8788, 11882, 12796, 15379, 23764, 30758, 41587, 61516, 77233, 83174, 154466, 166348, 308932, 540631, 1004029, 1081262, 2008058, 2162524, 4016116, 7028203, 14056406, 28112812]

約数ペア:

[(1, 28112812), (2, 14056406), (4, 7028203), (7, 4016116), (13, 2162524), (14, 2008058), (26, 1081262), (28, 1004029), (52, 540631), (91, 308932), (169, 166348), (182, 154466), (338, 83174), (364, 77233), (457, 61516), (676, 41587), (914, 30758), (1183, 23764), (1828, 15379), (2197, 12796), (2366, 11882), (3199, 8788), (4394, 6398), (4732, 5941)]