28428826

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 46811520

約数和(自身を除く): 18382694

約数列:

[1, 2, 19, 38, 41, 71, 82, 142, 257, 514, 779, 1349, 1558, 2698, 2911, 4883, 5822, 9766, 10537, 18247, 21074, 36494, 55309, 110618, 200203, 346693, 400406, 693386, 748127, 1496254, 14214413, 28428826]

約数ペア:

[(1, 28428826), (2, 14214413), (19, 1496254), (38, 748127), (41, 693386), (71, 400406), (82, 346693), (142, 200203), (257, 110618), (514, 55309), (779, 36494), (1349, 21074), (1558, 18247), (2698, 10537), (2911, 9766), (4883, 5822)]