287939344

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{21247}}^1$

素因数の和:21284

約数の個数: 60

約数和(自身を含む): 700844032

約数和(自身を除く): 412904688

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 121, 154, 176, 242, 308, 484, 616, 847, 968, 1232, 1694, 1936, 3388, 6776, 13552, 21247, 42494, 84988, 148729, 169976, 233717, 297458, 339952, 467434, 594916, 934868, 1189832, 1636019, 1869736, 2379664, 2570887, 3272038, 3739472, 5141774, 6544076, 10283548, 13088152, 17996209, 20567096, 26176304, 35992418, 41134192, 71984836, 143969672, 287939344]

約数ペア:

[(1, 287939344), (2, 143969672), (4, 71984836), (7, 41134192), (8, 35992418), (11, 26176304), (14, 20567096), (16, 17996209), (22, 13088152), (28, 10283548), (44, 6544076), (56, 5141774), (77, 3739472), (88, 3272038), (112, 2570887), (121, 2379664), (154, 1869736), (176, 1636019), (242, 1189832), (308, 934868), (484, 594916), (616, 467434), (847, 339952), (968, 297458), (1232, 233717), (1694, 169976), (1936, 148729), (3388, 84988), (6776, 42494), (13552, 21247)]