209519248

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{317}}^1\times {\mathrm{409}}^1$

素因数の和:835

約数の個数: 40

約数和(自身を含む): 412261560

約数和(自身を除く): 202742312

約数列:

[1, 2, 4, 8, 16, 101, 202, 317, 404, 409, 634, 808, 818, 1268, 1616, 1636, 2536, 3272, 5072, 6544, 32017, 41309, 64034, 82618, 128068, 129653, 165236, 256136, 259306, 330472, 512272, 518612, 660944, 1037224, 2074448, 13094953, 26189906, 52379812, 104759624, 209519248]

約数ペア:

[(1, 209519248), (2, 104759624), (4, 52379812), (8, 26189906), (16, 13094953), (101, 2074448), (202, 1037224), (317, 660944), (404, 518612), (409, 512272), (634, 330472), (808, 259306), (818, 256136), (1268, 165236), (1616, 129653), (1636, 128068), (2536, 82618), (3272, 64034), (5072, 41309), (6544, 32017)]