721013348

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{135427}}^1$

素因数の和:135464

約数の個数: 24

約数和(自身を含む): 1387866144

約数和(自身を除く): 666852796

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1331, 2662, 5324, 135427, 270854, 541708, 1489697, 2979394, 5958788, 16386667, 32773334, 65546668, 180253337, 360506674, 721013348]

約数ペア:

[(1, 721013348), (2, 360506674), (4, 180253337), (11, 65546668), (22, 32773334), (44, 16386667), (121, 5958788), (242, 2979394), (484, 1489697), (1331, 541708), (2662, 270854), (5324, 135427)]