221712008

素因数分解:

$2^3\times 7^1\times {\mathrm{3959143}}^1$

素因数の和:3959156

約数の個数: 16

約数和(自身を含む): 475097280

約数和(自身を除く): 253385272

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3959143, 7918286, 15836572, 27714001, 31673144, 55428002, 110856004, 221712008]

約数ペア:

[(1, 221712008), (2, 110856004), (4, 55428002), (7, 31673144), (8, 27714001), (14, 15836572), (28, 7918286), (56, 3959143)]