647931101824

素因数分解:

$2^7\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{259681}}^1$

素因数の和:259989

約数の個数: 64

約数和(自身を含む): 1310339791080

約数和(自身を除く): 662408689256

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 193, 202, 386, 404, 772, 808, 1544, 1616, 3088, 3232, 6176, 6464, 12352, 12928, 19493, 24704, 38986, 77972, 155944, 259681, 311888, 519362, 623776, 1038724, 1247552, 2077448, 2495104, 4154896, 8309792, 16619584, 26227781, 33239168, 50118433, 52455562, 100236866, 104911124, 200473732, 209822248, 400947464, 419644496, 801894928, 839288992, 1603789856, 1678577984, 3207579712, 3357155968, 5061961733, 6415159424, 10123923466, 20247846932, 40495693864, 80991387728, 161982775456, 323965550912, 647931101824]

約数ペア:

[(1, 647931101824), (2, 323965550912), (4, 161982775456), (8, 80991387728), (16, 40495693864), (32, 20247846932), (64, 10123923466), (101, 6415159424), (128, 5061961733), (193, 3357155968), (202, 3207579712), (386, 1678577984), (404, 1603789856), (772, 839288992), (808, 801894928), (1544, 419644496), (1616, 400947464), (3088, 209822248), (3232, 200473732), (6176, 104911124), (6464, 100236866), (12352, 52455562), (12928, 50118433), (19493, 33239168), (24704, 26227781), (38986, 16619584), (77972, 8309792), (155944, 4154896), (259681, 2495104), (311888, 2077448), (519362, 1247552), (623776, 1038724)]