397661656

素因数分解:

$2^3\times 7^2\times {\mathrm{787}}^1\times {\mathrm{1289}}^1$

素因数の和:2096

約数の個数: 48

約数和(自身を含む): 869124600

約数和(自身を除く): 471462944

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 787, 1289, 1574, 2578, 3148, 5156, 5509, 6296, 9023, 10312, 11018, 18046, 22036, 36092, 38563, 44072, 63161, 72184, 77126, 126322, 154252, 252644, 308504, 505288, 1014443, 2028886, 4057772, 7101101, 8115544, 14202202, 28404404, 49707707, 56808808, 99415414, 198830828, 397661656]

約数ペア:

[(1, 397661656), (2, 198830828), (4, 99415414), (7, 56808808), (8, 49707707), (14, 28404404), (28, 14202202), (49, 8115544), (56, 7101101), (98, 4057772), (196, 2028886), (392, 1014443), (787, 505288), (1289, 308504), (1574, 252644), (2578, 154252), (3148, 126322), (5156, 77126), (5509, 72184), (6296, 63161), (9023, 44072), (10312, 38563), (11018, 36092), (18046, 22036)]