299486512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{75781}}^1$

素因数の和:75821

約数の個数: 40

約数和(自身を含む): 657787760

約数和(自身を除く): 358301248

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 75781, 151562, 303124, 606248, 985153, 1212496, 1439839, 1970306, 2879678, 3940612, 5759356, 7881224, 11518712, 15762448, 18717907, 23037424, 37435814, 74871628, 149743256, 299486512]

約数ペア:

[(1, 299486512), (2, 149743256), (4, 74871628), (8, 37435814), (13, 23037424), (16, 18717907), (19, 15762448), (26, 11518712), (38, 7881224), (52, 5759356), (76, 3940612), (104, 2879678), (152, 1970306), (208, 1439839), (247, 1212496), (304, 985153), (494, 606248), (988, 303124), (1976, 151562), (3952, 75781)]