28521512

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{209717}}^1$

素因数の和:209740

約数の個数: 16

約数和(自身を含む): 56623860

約数和(自身を除く): 28102348

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 209717, 419434, 838868, 1677736, 3565189, 7130378, 14260756, 28521512]

約数ペア:

[(1, 28521512), (2, 14260756), (4, 7130378), (8, 3565189), (17, 1677736), (34, 838868), (68, 419434), (136, 209717)]