28206776

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 59204160

約数和(自身を除く): 30997384

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 169, 248, 338, 403, 673, 676, 806, 1346, 1352, 1612, 2692, 3224, 5239, 5384, 8749, 10478, 17498, 20863, 20956, 34996, 41726, 41912, 69992, 83452, 113737, 166904, 227474, 271219, 454948, 542438, 909896, 1084876, 2169752, 3525847, 7051694, 14103388, 28206776]

約数ペア:

[(1, 28206776), (2, 14103388), (4, 7051694), (8, 3525847), (13, 2169752), (26, 1084876), (31, 909896), (52, 542438), (62, 454948), (104, 271219), (124, 227474), (169, 166904), (248, 113737), (338, 83452), (403, 69992), (673, 41912), (676, 41726), (806, 34996), (1346, 20956), (1352, 20863), (1612, 17498), (2692, 10478), (3224, 8749), (5239, 5384)]