678493952

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{139493}}^1$

素因数の和:139528

約数の個数: 36

約数和(自身を含む): 1425628680

約数和(自身を除く): 747134728

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4864, 139493, 278986, 557972, 1115944, 2231888, 2650367, 4463776, 5300734, 8927552, 10601468, 17855104, 21202936, 35710208, 42405872, 84811744, 169623488, 339246976, 678493952]

約数ペア:

[(1, 678493952), (2, 339246976), (4, 169623488), (8, 84811744), (16, 42405872), (19, 35710208), (32, 21202936), (38, 17855104), (64, 10601468), (76, 8927552), (128, 5300734), (152, 4463776), (256, 2650367), (304, 2231888), (608, 1115944), (1216, 557972), (2432, 278986), (4864, 139493)]