289317056

素因数分解:

$2^6\times 7^1\times {\mathrm{661}}^1\times {\mathrm{977}}^1$

素因数の和:1657

約数の個数: 56

約数和(自身を含む): 657794976

約数和(自身を除く): 368477920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 661, 977, 1322, 1954, 2644, 3908, 4627, 5288, 6839, 7816, 9254, 10576, 13678, 15632, 18508, 21152, 27356, 31264, 37016, 42304, 54712, 62528, 74032, 109424, 148064, 218848, 296128, 437696, 645797, 1291594, 2583188, 4520579, 5166376, 9041158, 10332752, 18082316, 20665504, 36164632, 41331008, 72329264, 144658528, 289317056]

約数ペア:

[(1, 289317056), (2, 144658528), (4, 72329264), (7, 41331008), (8, 36164632), (14, 20665504), (16, 18082316), (28, 10332752), (32, 9041158), (56, 5166376), (64, 4520579), (112, 2583188), (224, 1291594), (448, 645797), (661, 437696), (977, 296128), (1322, 218848), (1954, 148064), (2644, 109424), (3908, 74032), (4627, 62528), (5288, 54712), (6839, 42304), (7816, 37016), (9254, 31264), (10576, 27356), (13678, 21152), (15632, 18508)]