660479924

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{13217}}^1$

素因数の和:13296

約数の個数: 36

約数和(自身を含む): 1286296452

約数和(自身を除く): 625816528

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 961, 1612, 1922, 3844, 12493, 13217, 24986, 26434, 49972, 52868, 171821, 343642, 409727, 687284, 819454, 1638908, 5326451, 10652902, 12701537, 21305804, 25403074, 50806148, 165119981, 330239962, 660479924]

約数ペア:

[(1, 660479924), (2, 330239962), (4, 165119981), (13, 50806148), (26, 25403074), (31, 21305804), (52, 12701537), (62, 10652902), (124, 5326451), (403, 1638908), (806, 819454), (961, 687284), (1612, 409727), (1922, 343642), (3844, 171821), (12493, 52868), (13217, 49972), (24986, 26434)]