81912728

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{1663}}^1$

素因数の和:1847

約数の個数: 32

約数和(自身を含む): 158146560

約数和(自身を除く): 76233832

約数列:

[1, 2, 4, 8, 47, 94, 131, 188, 262, 376, 524, 1048, 1663, 3326, 6157, 6652, 12314, 13304, 24628, 49256, 78161, 156322, 217853, 312644, 435706, 625288, 871412, 1742824, 10239091, 20478182, 40956364, 81912728]

約数ペア:

[(1, 81912728), (2, 40956364), (4, 20478182), (8, 10239091), (47, 1742824), (94, 871412), (131, 625288), (188, 435706), (262, 312644), (376, 217853), (524, 156322), (1048, 78161), (1663, 49256), (3326, 24628), (6157, 13304), (6652, 12314)]