28408506

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{2161}}^1$

素因数の和:2486

約数の個数: 32

約数和(自身を含む): 65171328

約数和(自身を除く): 36762822

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 313, 626, 939, 1878, 2161, 2191, 4322, 4382, 6483, 6573, 12966, 13146, 15127, 30254, 45381, 90762, 676393, 1352786, 2029179, 4058358, 4734751, 9469502, 14204253, 28408506]

約数ペア:

[(1, 28408506), (2, 14204253), (3, 9469502), (6, 4734751), (7, 4058358), (14, 2029179), (21, 1352786), (42, 676393), (313, 90762), (626, 45381), (939, 30254), (1878, 15127), (2161, 13146), (2191, 12966), (4322, 6573), (4382, 6483)]