128580067

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 166924800

約数和(自身を除く): 38344733

約数列:

[1, 7, 11, 49, 53, 77, 343, 371, 539, 583, 643, 2597, 3773, 4081, 4501, 7073, 18179, 28567, 31507, 34079, 49511, 199969, 220549, 238553, 346577, 374869, 1669871, 2426039, 2624083, 11689097, 18368581, 128580067]

約数ペア:

[(1, 128580067), (7, 18368581), (11, 11689097), (49, 2624083), (53, 2426039), (77, 1669871), (343, 374869), (371, 346577), (539, 238553), (583, 220549), (643, 199969), (2597, 49511), (3773, 34079), (4081, 31507), (4501, 28567), (7073, 18179)]