209673398

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1471}}^1$

素因数の和:1545

約数の個数: 48

約数和(自身を含む): 375889920

約数和(自身を除く): 166216522

約数列:

[1, 2, 11, 19, 22, 31, 38, 62, 121, 209, 242, 341, 418, 589, 682, 1178, 1471, 2299, 2942, 3751, 4598, 6479, 7502, 12958, 16181, 27949, 32362, 45601, 55898, 71269, 91202, 142538, 177991, 307439, 355982, 501611, 614878, 866419, 1003222, 1732838, 3381829, 5517721, 6763658, 9530609, 11035442, 19061218, 104836699, 209673398]

約数ペア:

[(1, 209673398), (2, 104836699), (11, 19061218), (19, 11035442), (22, 9530609), (31, 6763658), (38, 5517721), (62, 3381829), (121, 1732838), (209, 1003222), (242, 866419), (341, 614878), (418, 501611), (589, 355982), (682, 307439), (1178, 177991), (1471, 142538), (2299, 91202), (2942, 71269), (3751, 55898), (4598, 45601), (6479, 32362), (7502, 27949), (12958, 16181)]