397907132

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{1279}}^1$

素因数の和:1602

約数の個数: 48

約数和(自身を含む): 818872320

約数和(自身を除く): 420965188

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 271, 287, 542, 574, 1084, 1148, 1279, 1897, 2558, 3794, 5116, 7588, 8953, 11111, 17906, 22222, 35812, 44444, 52439, 77777, 104878, 155554, 209756, 311108, 346609, 367073, 693218, 734146, 1386436, 1468292, 2426263, 4852526, 9705052, 14210969, 28421938, 56843876, 99476783, 198953566, 397907132]

約数ペア:

[(1, 397907132), (2, 198953566), (4, 99476783), (7, 56843876), (14, 28421938), (28, 14210969), (41, 9705052), (82, 4852526), (164, 2426263), (271, 1468292), (287, 1386436), (542, 734146), (574, 693218), (1084, 367073), (1148, 346609), (1279, 311108), (1897, 209756), (2558, 155554), (3794, 104878), (5116, 77777), (7588, 52439), (8953, 44444), (11111, 35812), (17906, 22222)]