28079986

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 50561280

約数和(自身を除く): 22481294

約数列:

[1, 2, 11, 19, 22, 31, 38, 62, 121, 197, 209, 242, 341, 394, 418, 589, 682, 1178, 2167, 2299, 3743, 3751, 4334, 4598, 6107, 6479, 7486, 7502, 12214, 12958, 23837, 41173, 47674, 67177, 71269, 82346, 116033, 134354, 142538, 232066, 452903, 738947, 905806, 1276363, 1477894, 2552726, 14039993, 28079986]

約数ペア:

[(1, 28079986), (2, 14039993), (11, 2552726), (19, 1477894), (22, 1276363), (31, 905806), (38, 738947), (62, 452903), (121, 232066), (197, 142538), (209, 134354), (242, 116033), (341, 82346), (394, 71269), (418, 67177), (589, 47674), (682, 41173), (1178, 23837), (2167, 12958), (2299, 12214), (3743, 7502), (3751, 7486), (4334, 6479), (4598, 6107)]